Construction method, device and electronic equipment for ancient wooden building bracket model

Abstract

The present invention provides a method, device and electronic equipment for constructing a bracket model of an ancient wooden building. The method for constructing a bracket model of an ancient wooden building comprises: obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket; obtaining a bracket finite element model based on a bracket geometric model; and obtaining the bracket model of an ancient wooden building based on the hysteresis parameters of each bracket component and the bracket finite element model. The method, device and electronic equipment for constructing a bracket model of an ancient wooden building provided by the present invention can solve the defect that the efficiency and accuracy of simulation calculation cannot be guaranteed at the same time in the prior art, and can simultaneously improve the efficiency and accuracy of simulation calculation.

Description

Technical Field

[0001] The invention relates to the technical field of building structures, and in particular to a construction method, a device and electronic equipment for a bracket model of an ancient wooden building. Background Art

[0002] Ancient wooden buildings are an important part of my country's cultural heritage and are the inheritors of history and culture. The bracket is one of the most important components of ancient wooden buildings, especially large-scale ancient wooden buildings. On the one hand, it can transmit the gravity of the upper structure, and on the other hand, it can consume the energy generated by earthquakes or wind loads through the friction between the brackets and the brackets. In order to effectively and accurately evaluate the overall structural state of ancient wooden buildings, it is necessary to simulate and calculate the entire ancient wooden building.

[0003] At present, the solid unit simulation calculation of the brackets of ancient wooden buildings has high accuracy, but the modeling workload is huge and the calculation convergence is poor. At the same time, the simulation method using solid units cannot evaluate the state of the overall structure. The simulation method using semi-rigid nodes has high efficiency, but poor accuracy. At the same time, since the brackets are simplified to a rod or point, it is impossible to characterize the overlap relationship of the brackets of ancient wooden buildings and their spatial position in the overall structure.

[0004] Therefore, the current method of constructing the bracket model of ancient wooden buildings cannot guarantee the efficiency and accuracy of simulation calculations at the same time. Summary of the invention

[0005] The present invention provides a method, device and electronic equipment for constructing a bracket model of an ancient wooden building, so as to solve the defect that the efficiency and accuracy of simulation calculation cannot be guaranteed at the same time in the prior art, and realize the improvement of the efficiency and accuracy of simulation calculation at the same time.

[0006] The present invention provides a method for constructing a bracket model of an ancient wooden building, comprising:

[0007] Obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket;

[0008] Based on the bracket geometry model, the bracket finite element model is obtained;

[0009] Based on the hysteresis parameters of each bracket component and the bracket finite element model, the bracket model of the ancient wooden building is obtained.

[0010] According to the method for constructing the bracket model of an ancient wooden building provided by the present invention, the bracket finite element model comprises: a bracket component and a bracket component; the bracket component in the bracket is composed of multiple sections of plastic units and multiple sections of elastic units in parallel, and the bracket component is composed of Euler beam units.

[0011] According to the method for constructing the ancient wooden building bracket model provided by the present invention, the hysteresis parameters of each bracket component are obtained based on the overall hysteresis parameters of the bracket, including:

[0012] Based on the overall hysteresis parameters of the bracket, the hysteresis parameters of the multi-segment plastic units in each bracket component are obtained;

[0013] Based on the inflection point load and inflection point displacement of the bracket hysteresis curve, the hysteresis parameters of the multi-segment elastic units in each bracket component are obtained.

[0014] According to the construction method of the ancient wooden building bracket model provided by the present invention, the hysteresis parameters of the plastic unit include: the yield load, peak load and ultimate load of the plastic unit;

[0015] The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the bracket overall hysteresis parameters includes:

[0016] Based on the yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the yield load, peak load and ultimate load of the multi-segment plastic unit are obtained.

[0017] According to the construction method of the ancient wooden building bracket model provided by the present invention, the hysteresis parameter of the plastic unit also includes: the displacement parameter of the plastic unit;

[0018] The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the overall hysteresis parameters of the bracket also includes:

[0019] Based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, as well as the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, the displacement parameters of the multi-segment plastic unit are obtained;

[0020] The stiffness scaling factor is calculated based on the shear force value of each bracket component in each layer of brackets and the maximum shear force value of the bracket components in each layer of brackets.

[0021] According to the method for constructing the ancient wooden building bracket model provided by the present invention, the displacement parameters of the multi-segment plastic unit are obtained based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the stiffness scaling coefficient of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, including:

[0022] Obtaining the yield displacement of the plastic unit based on the yield load of the plastic unit and the yield load and yield displacement of the global hysteresis parameter;

[0023] Obtaining the peak displacement of the plastic unit based on the yield displacement, peak load and yield load of the plastic unit, and the yield load, peak load, yield displacement and peak displacement of the global hysteresis parameter;

[0024] Based on the peak displacement, ultimate load and peak load of the plastic unit, and the ultimate load and peak load of the global hysteresis parameter, the ultimate displacement of the plastic unit is obtained.

[0025] The present invention also provides a device for constructing a bracket model of an ancient wooden building, comprising:

[0026] An acquisition module, used to acquire the overall hysteresis parameters of the bracket, and based on the overall hysteresis parameters of the bracket, obtain the hysteresis parameters of each bracket component;

[0027] A construction module is used to obtain a finite element model of the bracket based on the bracket geometry model;

[0028] The value assignment module is used to obtain the ancient wooden building bracket model based on the hysteresis parameters of each bracket component and the bracket finite element model.

[0029] The present invention also provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of the method for constructing the ancient wooden building bracket model as described in any one of the above-mentioned methods are implemented.

[0030] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method for constructing the ancient wooden building bracket model as described in any one of the above-mentioned methods.

[0031] The present invention also provides a computer program product, including a computer program, which, when executed by a processor, implements the steps of the method for constructing the ancient wooden building bracket model as described in any one of the above.

[0032] The method, device and electronic device for constructing the ancient wooden building bracket model provided by the present invention obtain the hysteresis parameters of the bracket as a whole, thereby obtaining the hysteresis parameters of each bracket component, and obtaining the bracket finite element model based on the bracket geometric model, and assigning the hysteresis parameters of each bracket component to the bracket finite element model to obtain the ancient wooden building bracket model. The ancient wooden building entity model is simplified by the bracket finite element model, and the efficiency of the simulation calculation can be improved during the simulation calculation. In addition, the bracket finite element model is assigned based on the hysteresis parameters of each bracket, thereby improving the accuracy of the simulation calculation.

[0033] Therefore, the method for constructing the bracket model of the ancient wooden building provided by the present invention can simultaneously improve the efficiency and accuracy of the simulation calculation of the ancient wooden building. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 It is a flow chart of a method for constructing an ancient wooden building bracket model provided by the present invention;

[0036] Figure 2 It is a schematic diagram of a bracket geometry model corresponding to the construction method of the bracket model of an ancient wooden building provided by the present invention;

[0037] Figure 3 It is a schematic diagram of the bracket finite element model provided by the present invention;

[0038] Figure 4 It is a schematic diagram of a bracket component obtained in the bracket finite element model provided by the present invention;

[0039] Figure 5 It is a schematic diagram of parameters of the bracket component obtained in the bracket finite element model provided by the present invention;

[0040] Figure 6 It is a comparison diagram of the effects of the imitation method provided by the present invention and the bucket arch entity model experiment;

[0041] Figure 7 It is a structural schematic diagram of a construction device for an ancient wooden building bracket model provided by the present invention;

[0042] Figure 8 It is a structural schematic diagram of the electronic device provided by the present invention. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] Combine the following Figure 1-Figure 8The invention describes a construction method, a device and an electronic device for an ancient wooden building bracket model.

[0045] like Figure 1 As shown, the present invention provides a method for constructing an ancient wooden building bracket model, comprising:

[0046] Step 110: Obtain the overall hysteresis parameters of the bracket, and based on the overall hysteresis parameters of the bracket, obtain the hysteresis parameters of each bracket component.

[0047] It can be understood that the bracket in the present invention is also the bracket of the ancient wooden building. The overall hysteresis parameter of the bracket is also the parameter of the overall hysteresis curve of the bracket of the ancient wooden building, that is, the overall hysteresis parameter of the bracket test of the ancient wooden building. The overall hysteresis parameter of the bracket mainly includes the parameters corresponding to the hysteresis curve and the skeleton curve. The overall parameter of the bracket can be obtained by input, and can also be obtained by identifying the hysteresis curve of the bracket test.

[0048] The parameter points corresponding to the overall hysteresis parameters of the bracket are:

[0049] (Δ s ,P s ) and (Δ s ',P s ');

[0050] (Δ u ,P u ) and (Δ u ',P u ');

[0051] (Δ m ,P m ) and (Δ m ',P m ');

[0052] (X mid ,Y mid ) and (X mid ',Y mid ');

[0053] Among them, Δ s , Δ u With Δ m are the yield displacement, peak displacement and ultimate displacement in the positive direction of the hysteresis curve, respectively. s , P u With P m They are the yield load, peak load and ultimate load in the positive direction of the hysteresis curve. mid With Y mid The inflection point displacement and inflection point load of the hysteresis curve. Because the hysteresis curve has positive and negative directions, the negative direction is recorded as a stroke ('), that is: Δ s ', Δu ' and Δ m ' are the yield displacement, peak displacement and ultimate displacement in the negative direction of the hysteresis curve, respectively, s '、P u 'With P m ' are the yield load, peak load and ultimate load in the negative direction of the hysteresis curve respectively.

[0054] Step 120: Based on the bracket geometry model, a bracket finite element model is obtained.

[0055] It can be understood that the bracket geometry model, that is, the bracket geometry model of ancient wooden building, is also called the three-dimensional model of bracket of ancient wooden building.

[0056] like Figure 2 As shown, the bracket geometric model includes Huagong 210, Xie 220, Nidaogong 230 and Mangong 240. Figure 2 The finite element model of the bracket arch obtained by the bracket arch geometric model is shown in Figure 3 As shown, the bracket finite element model includes a bracket component 310 and a bracket component 320.

[0057] like Figure 2 and Figure 3 As shown, there are 5 layers of brackets, and from bottom to top, the number of bracket components are 1, 5, 5, 9 and 3 respectively.

[0058] Step 130: Based on the hysteresis parameters of each bracket component and the bracket finite element model, a bracket model of an ancient wooden building is obtained.

[0059] It can be understood that after the hysteresis parameters of each bracket component are obtained, the hysteresis parameters of each bracket component are assigned to the bracket finite element model to obtain the bracket model of the ancient wooden building.

[0060] In some embodiments, the bracket finite element model includes: a bracket component and a bracket component; Figure 4 As shown, the bracket components are composed of multiple plastic units 410 and multiple elastic units 420 in parallel; the bracket components are composed of Euler beam units.

[0061] It can be understood that the elbow and arch are both supporting components in my country's wooden structures. They are located at the junction of the column and the beam. The bow-shaped elbow protruding from the top of the column is called an arch, and the square pad between the arches is called an elbow. Euler beam unit is also known as Euler-Bernoulli beam unit.

[0062] In some embodiments, the hysteresis parameters of each bracket component are obtained based on the overall hysteresis parameters of the bracket, including:

[0063] Based on the overall hysteresis parameters of the bracket, the hysteresis parameters of the multi-segment plastic units in each bracket component are obtained;

[0064] Based on the inflection point load and inflection point displacement of the bracket hysteresis curve, the hysteresis parameters of the multi-segment elastic units in each bracket component are obtained.

[0065] It can be understood that after obtaining the overall hysteresis parameters of the bracket, the hysteresis parameters of the elastic unit can be obtained based on the following formula:

[0066] X me =X mid ;

[0067] Y me =Y mid -[(P m -P s )(X mid -Δ s ) / (Δ m -Δ s )+P s ];

[0068] Among them, the hysteresis parameters of the plastic unit include the load parameters and displacement parameters of the plastic unit; the hysteresis parameters of the elastic unit include the load parameters and displacement parameters of the elastic unit. mid is the inflection point displacement of the overall hysteresis curve of the bracket, Y mid is the inflection point load of the overall hysteresis curve of the bracket; X me is the elastic unit displacement parameter corresponding to the inflection point displacement of the overall hysteresis curve of the bracket, Y me It is the elastic unit load parameter corresponding to the inflection point load of the overall hysteresis curve of the bracket.

[0069] In some embodiments, the hysteresis parameters of the plastic unit include: the yield load, peak load and ultimate load of the plastic unit.

[0070] The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the bracket overall hysteresis parameters includes:

[0071] Based on the yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the yield load, peak load and ultimate load of the multi-segment plastic unit are obtained.

[0072] It can be understood that based on the yield load corresponding to the overall hysteresis parameters of the bracket, the yield load of the multi-segment plastic unit is obtained; based on the peak load corresponding to the overall hysteresis parameters of the bracket, the peak load of the multi-segment plastic unit is obtained; based on the ultimate load corresponding to the overall hysteresis parameters of the bracket, the ultimate load of the multi-segment plastic unit is obtained.

[0073] Furthermore, the yield load, peak load and ultimate load of each plastic element are obtained based on the following formula:

[0074] Pe，s =P s ;

[0075] P e，u =P u ;

[0076] P e，m =P m ;

[0077] Among them, Figure 5 As shown, P e,s , P e，u With P e，m are the yield load, peak load and ultimate load of the plastic element 410, P s , P u With P m They are the yield load, peak load and ultimate load of the overall hysteresis curve of the bracket respectively.

[0078] In some embodiments, the hysteresis parameter of the plastic unit further includes: a displacement parameter of the plastic unit.

[0079] The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the overall hysteresis parameters of the bracket also includes:

[0080] Based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, the displacement parameters of the multi-segment plastic unit are obtained.

[0081] The displacement parameters of the plastic unit include the yield displacement, peak displacement and limit displacement of the plastic unit.

[0082] It can be understood that the stiffness scaling factor is calculated based on the shear force value of each bracket component in each layer of the bracket and the maximum shear force of the bracket components in each layer of the bracket.

[0083] Further, the stiffness scaling factor is calculated as follows:

[0084] 1) Apply a displacement of unit 1 to the established finite element model and calculate the shear force of each loft respectively;

[0085] 2) The stiffness scaling factor α corresponding to the i-th layer of brackets is calculated based on the following formula: i :

[0086]

[0087] Among them, F ijis the shear force value of the jth bracket member in the i-th bracket, F i,max is the maximum shear force of the i-th layer member, n i is the number of bracket components of the i-th layer.

[0088] In some embodiments, the displacement parameters of the multi-segment plastic unit are obtained based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, including:

[0089] Obtaining the yield displacement of the plastic unit based on the yield load of the plastic unit and the yield load and yield displacement of the global hysteresis parameter;

[0090] Obtaining the peak displacement of the plastic unit based on the yield displacement, peak load and yield load of the plastic unit, and the yield load, peak load, yield displacement and peak displacement of the global hysteresis parameter;

[0091] Based on the peak displacement, ultimate load and peak load of the plastic unit, and the ultimate load and peak load of the global hysteresis parameter, the ultimate displacement of the plastic unit is obtained.

[0092] It can be understood that the displacement parameter of each plastic unit can be calculated based on the following formula:

[0093] K 1 =P s / Δ s ;

[0094] K 2 =(P u -P s ) / (Δ u -Δ s );

[0095] K 3 =(P m -P u ) / (Δ m -Δ u );

[0096] K e / K=Σ(i=1,m)1 / (α i n i );

[0097] Δ e,s =P e,s / K e,1 ;

[0098] Δ e,u =(P e,u -P e,s ) / K e,2 +Δ e,s ;

[0099] Δ e,m =(P e,m -P e,u ) / K e,3 +Δ e,u ;

[0100] Among them, Figure 5 As shown, Δ e,s , Δ e,u With Δ e,m They are the yield displacement, peak displacement and ultimate displacement of the plastic unit 410 respectively.

[0101] K e is the generalized stiffness of each member, including the first stiffness K e,1 , the second stiffness K e,2 And the third stiffness K e,3 K is the equivalent stiffness of the entire bracket, including the first stiffness K 1 , the second stiffness K 2 With the third stiffness K 3 , α i is the stiffness scaling factor of the i-th layer, n i is the number of components in the i-th layer.

[0102] The physical meaning of the stiffness scaling factor is as follows:

[0103] According to the spring parallel formula, when the springs in a layer are connected in parallel, the stiffness should be superimposed, for example Figure 3 The number of the second and third layers of the arch components is 5, so the spring stiffness of this layer should be 5Ke. However, since the arch components are not rigid rods, the farther the arch components are from the center, the smaller the stiffness they transmit, and their overall stiffness is less than 5Ke. The ratio of their actual stiffness to the theoretical stiffness is the stiffness scaling coefficient.

[0104] The effect of the ancient wooden building bracket model obtained by the construction method of the ancient wooden building bracket model provided by the present invention is compared with the effect of the ancient wooden building bracket test. Figure 6 As shown, the error between the simplified simulation and the ancient wooden building bracket test is about 10%, indicating that the ancient wooden building bracket model construction method proposed in the present invention can accurately and efficiently simulate the bracket hysteresis characteristics.

[0105] In summary, the method for constructing the ancient wooden building bracket model provided by the present invention includes: obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket; obtaining the bracket finite element model based on the bracket geometric model; obtaining the ancient wooden building bracket model based on the hysteresis parameters of each bracket component and the bracket finite element model.

[0106] In the construction method of the ancient wooden building bracket model provided by the present invention, the hysteresis parameters of the bracket as a whole are first obtained, and then the hysteresis parameters of each bracket component are obtained, and based on the bracket geometric model, the bracket finite element model is obtained, and the hysteresis parameters of each bracket component are assigned to the bracket finite element model to obtain the ancient wooden building bracket model. Through the bracket finite element model, the ancient wooden building entity model is simplified, and the efficiency of the simulation calculation can be improved during the simulation calculation. In addition, the bracket finite element model is assigned based on the hysteresis parameters of each bracket, thereby improving the accuracy of the simulation calculation.

[0107] Therefore, the method for constructing the bracket model of the ancient wooden building provided by the present invention can simultaneously improve the efficiency and accuracy of the simulation calculation of the ancient wooden building.

[0108] The following is a description of the construction device of the ancient wooden building bracket model provided by the present invention. The construction device of the ancient wooden building bracket model described below and the construction method of the ancient wooden building bracket model described above can correspond to each other.

[0109] like Figure 7 As shown, the construction device 700 of the ancient wooden building bracket model provided by the present invention includes: an acquisition module 710, a construction module 720 and an assignment module 730.

[0110] The acquisition module 710 is used to acquire the overall hysteresis parameters of the bracket, and obtain the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket.

[0111] The construction module 720 is used to obtain a bracket finite element model based on the bracket geometric model.

[0112] The assignment module 730 is used to obtain the ancient wooden building bracket model based on the hysteresis parameters of each bracket component and the bracket finite element model.

[0113] In some embodiments, the bracket finite element model includes: a bracket component and a bracket component; the bracket component of the bracket is composed of multiple sections of plastic units and multiple sections of elastic units in parallel, and the bracket component is composed of Euler beam units.

[0114] In some embodiments, the acquisition module 710 includes: a first computing unit and a second computing unit.

[0115] The first calculation unit is used to obtain the hysteresis parameters of the multi-segment plastic units in each bracket component based on the overall hysteresis parameters of the bracket.

[0116] The second calculation unit is used to obtain the hysteresis parameters of the multi-segment elastic units in each bracket component based on the inflection point load and inflection point displacement of the overall hysteresis curve of the bracket.

[0117] In some embodiments, the hysteresis parameters of the plastic unit include: the yield load, peak load and ultimate load of the plastic unit.

[0118] The first calculation unit includes: a load calculation unit.

[0119] The load calculation unit is used to obtain the yield load, peak load and ultimate load of the multi-segment plastic unit based on the yield load, peak load and ultimate load corresponding to the overall hysteresis parameter of the bracket.

[0120] In some embodiments, the hysteresis parameter of the plastic unit further includes: a displacement parameter of the plastic unit.

[0121] The first calculation unit also includes: a displacement calculation unit.

[0122] The displacement calculation unit is used to obtain the displacement parameters of the multi-segment plastic unit based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit.

[0123] Among them, the displacement parameters of the plastic unit include the yield displacement, peak displacement and limit displacement of the plastic unit; the stiffness scaling coefficient is calculated based on the shear force value of each bracket component in each layer of the bracket, and the maximum shear force value of the bracket components in each layer of the bracket.

[0124] In some embodiments, the displacement calculation unit includes: a first displacement calculation unit, a second displacement calculation unit, and a third displacement calculation unit.

[0125] The first displacement calculation unit is used to obtain the yield displacement of the plastic unit based on the yield load of the plastic unit and the yield load and yield displacement of the global hysteresis parameter.

[0126] The second displacement calculation unit is used to obtain the peak displacement of the plastic unit based on the yield displacement, peak load and yield load of the plastic unit, and the yield load, peak load, yield displacement and peak displacement of the global hysteresis parameter.

[0127] The third displacement calculation unit is used to obtain the ultimate displacement of the plastic unit based on the peak displacement, ultimate load and peak load of the plastic unit, and the ultimate load and peak load of the overall hysteresis parameter.

[0128] The electronic device, computer program product and storage medium provided by the present invention are described below. The electronic device, computer program product and storage medium described below and the method for constructing the ancient wooden building bracket model described above can be referenced to each other.

[0129] Figure 8 An example of a physical structure diagram of an electronic device is shown in FIG. Figure 8 As shown, the electronic device may include: a processor 810, a communication interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication interface 820 and the memory 830 communicate with each other through the communication bus 840. The processor 810 may call the logic instructions in the memory 830 to execute the construction method of the ancient wooden building bracket model, which method includes:

[0130] Step 110, obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket;

[0131] Step 120, based on the bracket geometry model, obtain a bracket finite element model;

[0132] Step 130: Based on the hysteresis parameters of each bracket component and the bracket finite element model, a bracket model of an ancient wooden building is obtained.

[0133] In addition, the logic instructions in the above-mentioned memory 830 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0134] On the other hand, the present invention further provides a computer program product, the computer program product comprising a computer program, the computer program can be stored on a non-transitory computer-readable storage medium, when the computer program is executed by a processor, the computer can execute the method for constructing the ancient wooden building bracket model provided by the above methods, the method comprising:

[0135] Step 110, obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket;

[0136] Step 120, based on the bracket geometry model, obtain a bracket finite element model;

[0137] Step 130: Based on the hysteresis parameters of each bracket component and the bracket finite element model, a bracket model of an ancient wooden building is obtained.

[0138] In another aspect, the present invention further provides a non-transitory computer-readable storage medium having a computer program stored thereon, which is implemented when the computer program is executed by a processor to execute the method for constructing the ancient wooden building bracket model provided by the above methods, the method comprising:

[0139] Step 110, obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket;

[0140] Step 120, based on the bracket geometry model, obtain a bracket finite element model;

[0141] Step 130: Based on the hysteresis parameters of each bracket component and the bracket finite element model, a bracket model of an ancient wooden building is obtained.

[0142] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0143] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0144] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for constructing a bracket model of an ancient wooden building, characterized in that: include: Obtaining the overall hysteresis parameters of the bracket, and obtaining the hysteresis parameters of each bracket component based on the overall hysteresis parameters of the bracket; Based on the bracket geometry model, the bracket finite element model is obtained; Based on the hysteresis parameters of each bracket component and the bracket finite element model, a bracket model of the ancient wooden building is obtained; The parameter points corresponding to the overall hysteresis parameters of the bracket are: (D s ,P s )and(D s ',P s '); (D u ,P u )and(D u ',P u '); (D m ,P m )and(D m ',P m '); (X mid , Y mid ) and (X mid ’, Y mid ’); Among them, Δ s , Δ u With Δ m are the yield displacement, peak displacement and ultimate displacement in the positive direction of the hysteresis curve, respectively. s , P u With P m are the yield load, peak load and ultimate load in the positive direction of the hysteresis curve, respectively. mid With Y mid are the inflection point displacement and inflection point load in the positive direction of the hysteresis curve; Δ s ', Δ u ' and Δ m ' are the yield displacement, peak displacement and ultimate displacement in the negative direction of the hysteresis curve, respectively, s '、P u 'With P m ' are the yield load, peak load and ultimate load in the negative direction of the hysteresis curve, respectively, X mid 'With Y mid ' are the inflection point displacement and inflection point load in the negative direction of the hysteresis curve respectively; The method of obtaining the hysteresis parameters of each bracket component based on the bracket overall hysteresis parameters includes: Based on the overall hysteresis parameters of the bracket, the hysteresis parameters of the multi-segment plastic units in each bracket component are obtained; Based on the inflection point load and inflection point displacement of the overall hysteresis curve of the bracket, the hysteresis parameters of the multi-segment elastic units in each bracket component are obtained; The hysteresis parameters of the plastic unit include: displacement parameters of the plastic unit; The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the bracket overall hysteresis parameters includes: Based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, as well as the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, the displacement parameters of the multi-segment plastic unit are obtained; The stiffness scaling factor is calculated based on the shear force value of each bracket component in each layer of brackets and the maximum shear force value of the bracket components in each layer of brackets.

2. The method for constructing the ancient wooden building bracket model according to claim 1, characterized in that: The bracket finite element model comprises: a bracket component and a bracket component; the bracket component of the bracket is composed of multiple plastic units and multiple elastic units in parallel, and the bracket component is composed of Euler beam units.

3. The method for constructing the ancient wooden building bracket model according to claim 1, characterized in that: The hysteresis parameters of the plastic unit include: the yield load, peak load and ultimate load of the plastic unit; The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the bracket overall hysteresis parameters includes: Based on the yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the yield load, peak load and ultimate load of the multi-segment plastic unit are obtained.

4. The method for constructing the ancient wooden building bracket model according to claim 1, characterized in that: The displacement parameters of the multi-segment plastic unit are obtained based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, including: Obtaining the yield displacement of the plastic unit based on the yield load of the plastic unit and the yield load and yield displacement of the global hysteresis parameter; Obtaining the peak displacement of the plastic unit based on the yield displacement, peak load and yield load of the plastic unit, and the yield load, peak load, yield displacement and peak displacement of the global hysteresis parameter; Based on the peak displacement, ultimate load and peak load of the plastic unit, and the ultimate load and peak load of the global hysteresis parameter, the ultimate displacement of the plastic unit is obtained.

5. A device for constructing a bracket model of an ancient wooden building, characterized in that: include: An acquisition module, used to acquire the overall hysteresis parameters of the bracket, and based on the overall hysteresis parameters of the bracket, obtain the hysteresis parameters of each bracket component; A construction module is used to obtain a finite element model of the bracket based on the bracket geometry model; An assignment module is used to obtain the ancient wooden building bracket model based on the hysteresis parameters of each bracket component and the bracket finite element model; The parameter points corresponding to the overall hysteresis parameters of the bracket are: (D s ,P s )and(D s ',P s '); (D u ,P u )and(D u ',P u '); (D m ,P m )and(D m ',P m '); (X mid , Y mid ) and (X mid ’, Y mid ’); Among them, Δ s , Δ u With Δ m are the yield displacement, peak displacement and ultimate displacement in the positive direction of the hysteresis curve, respectively. s , P u With P m are the yield load, peak load and ultimate load in the positive direction of the hysteresis curve, respectively. mid With Y mid are the inflection point displacement and inflection point load in the positive direction of the hysteresis curve; Δ s ', Δ u ' and Δ m ' are the yield displacement, peak displacement and ultimate displacement in the negative direction of the hysteresis curve, respectively, s '、P u 'With P m ' are the yield load, peak load and ultimate load in the negative direction of the hysteresis curve, respectively, X mid 'With Y mid ' are the inflection point displacement and inflection point load in the negative direction of the hysteresis curve respectively; The method of obtaining the hysteresis parameters of each bracket component based on the bracket overall hysteresis parameters includes: Based on the overall hysteresis parameters of the bracket, the hysteresis parameters of the multi-segment plastic units in each bracket component are obtained; Based on the inflection point load and inflection point displacement of the overall hysteresis curve of the bracket, the hysteresis parameters of the multi-segment elastic units in each bracket component are obtained; The hysteresis parameters of the plastic unit include: displacement parameters of the plastic unit; The method of obtaining the hysteresis parameters of the multi-segment plastic units in each bracket component based on the bracket overall hysteresis parameters includes: Based on the yield displacement, peak displacement, ultimate displacement, yield load, peak load and ultimate load corresponding to the overall hysteresis parameters of the bracket, as well as the stiffness scaling factor of each layer of the bracket, the number of bracket components corresponding to each layer of the bracket and the number of bracket layers, and the yield load, peak load and ultimate load of the multi-segment plastic unit, the displacement parameters of the multi-segment plastic unit are obtained; The stiffness scaling factor is calculated based on the shear force value of each bracket component in each layer of brackets and the maximum shear force value of the bracket components in each layer of brackets.

6. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the steps of the method for constructing the bracket model of the ancient wooden building as described in any one of claims 1 to 4 are implemented.

7. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for constructing the bracket model of an ancient wooden building as described in any one of claims 1 to 4 are implemented.

8. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method for constructing the bracket model of an ancient wooden building as described in any one of claims 1 to 4 are implemented.

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