562 results about "Substructure" patented technology

The present disclosure relates to a solar plant with solar panels (2, 2′) which are prefabricated in a leporello folding (3) which can be unfolded in an unfolding direction (A), and a substructure on which the solar panels are arranged, wherein the substructure is designed to be flexible in the unfolding direction (A) and is connected to the solar panels in a positionally fixed manner in such a way that the leporello folding (3) of the solar panels can be unfolded with the substructure (8, 9, 10, 24) and determines angular positions of the solar panels (2, 2′) relative to one another.

The invention belongs to the technical field of underground structure tests, and provides a deep underground structure pseudo-dynamic test method and device.The method comprises the steps that a numerical substructure and a test substructure are constructed, and an interaction boundary is arranged between the numerical substructure and the test substructure; and compensating the boundary prediction data according to the inertia force compensation coefficient based on the numerical sub-structure in each loading process, and loading the compensated prediction data to the test sub-structure, so that the test sub-structure outputs prediction response data and updates the rigidity of the numerical sub-structure, and determining a target balance force according to the prediction response data based on the numerical simulation substructure, driving a next loading process by using the target balance force, and obtaining a dynamic response rule of the soil-structure system when respective boundaries of the numerical simulation substructure and the test substructure meet displacement coordination and force balance. According to the method, the initial stress state of the deep underground structure can be accurately simulated, and the accuracy of obtaining the mechanical response rule of the underground structure is improved.

The invention discloses a wind tunnel-pool combined loading floating fan distributed hybrid test method, which comprises the following steps of: establishing a floating fan multi-body / multi-physical field collaborative reduced scale criterion, dividing a floating fan into two independent physical models and two independent numerical models, and placing the two independent physical models and the two independent numerical models in different laboratories; integrating a physical model, a numerical model, a loading system and a measurement system, and building a floating fan physical-numerical distributed hybrid test platform; and carrying out data interaction and closed-loop control on the physical-numerical hybrid test platform. A fan and a floating platform are adopted as two relatively independent test substructures, test loading or computer simulation can be carried out in different laboratories by establishing different similarity criteria and geometric scale ratios, a collaborative online test and pneumatic-hydrodynamic load loading under the coupling action of wind, waves and flow are carried out through network interaction data, and the test efficiency is improved. The technical problems of environment load high-precision simulation and dynamic coupling response in a reduced scale model test are solved.

The invention discloses a bridge substructure modeling scheme generation method and device, equipment and a medium, and relates to the technical field of bridge engineering, and the method comprises the steps: obtaining bridge superstructure design input parameters, constructing substructure design task information, and generating design parameters through big language model reasoning; and a modeling script is automatically generated, and structural response calculation is carried out. Different modeling strategies are judged and executed according to the calculation result, finally, a target modeling scheme meeting the requirement is intelligently generated, design parameter generation and automatic modeling of the bridge substructure in a non-standard bridge type scene are achieved, and the design efficiency and accuracy are improved.

A method for rapidly solving transient dynamics of a crack-containing bearing structure of a bogie belongs to the technical field of bogie structure dynamic analysis, and comprises the following steps: acquiring a three-dimensional geometric model of the bearing structure, the geometric dimension of a crack and the position coordinate dimension of the crack; dividing the finite element model of the bearing structure, and carrying out grid division processing on the crack surface; selecting a main degree-of-freedom node of the finite element model on the surface of the bearing structure and the crack surface; performing substructure analysis on the finite element model of the bearing structure; obtaining a mass matrix, a damping matrix and a stiffness matrix of the finite element model of the bearing structure after the degree of freedom is reduced; carrying out constraint simulation on a crack surface node by adopting a one-way nonlinear rigidity unit; processing constraint boundary conditions; processing the excitation load; and solving a dynamic second-order differential equation set, and judging whether the crack surface is in contact or not. According to the method, the opening and closing effects of the crack can be considered, the transient dynamic response of the crack-containing bearing structure under the action of the external load is obtained, and the solving precision and efficiency are both considered.

The invention belongs to the technical field of manufacturing of low-alloy high-strength steel, and particularly relates to atmospheric corrosion resistant HC260LA low-alloy high-strength steel and a production method of the atmospheric corrosion resistant HC260LA low-alloy high-strength steel. 0.15% to 0.30% of Si; 0.40% to 0.60% of Mn; 0.06% to 0.10% of P; less than or equal to 0.015% of S; 0.02% to 0.08% of Al; 0.10% to 0.20% of Cu; 0 to 0.15% of Ti; 0 to 0.09 percent of Nb; 0.001% to 0.006% of N; and the balance of Fe and inevitable impurities. According to the method, the blocking effect of segregation of P-Cu elements on the grain boundary on a corrosion path is utilized, low-temperature rolling is combined, a three-dimensional corrosion-resistant system of fine grain strengthening, substructure strengthening and rust layer protection is constructed, and the weather resistance, the corrosion resistance and the mechanical property are jointly improved.

A profile element for attachment to the rear side of a façade panel, which in turn is fastened to a base such as a building surface or substructure. The profile element is formed in one piece and includes three functional sections arranged one after another: a fixing section for fixing the profile element to a base; a support section for attachment to the façade panel; and a spacer element which, in the installed state, ensures the correct distance between the base and the rear side of the façade panel. The profile element is extendible by a supplementary element, which has functionally similar elements and is only used if required by the geometry of the façade panel. The supplementary element is usable for positive connection to the profile element of an adjacent façade panel. Such a façade system provides flexibility for a wide variety of types and dimensions of façade panels.

This application relates to a monolithically integrated multi-wavelength topological cavity surface-emitting laser (PCSEL) array. According to one embodiment, a monolithically integrated PCSEL array includes multiple PCSELs formed from the same semiconductor layer, at least one layer of which is formed as a photonic crystal layer, or the laser also includes a separate photonic crystal layer. The photonic crystal layer includes multiple supercell structures, each with substructures having multiple independent one-dimensional parameters. At least two independent one-dimensional parameters of one or more substructures are modulated to be greater than or less than their equilibrium position to open the Dirac point of the supercell's bandgap at the equilibrium position. Around any point in the photonic crystal layer, the modulation of the two independent one-dimensional parameters of the supercell forms a vortex structure, which corresponds in parameter space to one or more turns around the equilibrium position. The supercell lattice constants of the two lasers can be different to emit lasers of different wavelengths.

A fastening assembly for a structure having a plurality of structural components fastened to a substructure includes a spacer for positioning on a substructure between adjacent structural components. The spacer is configured to maintain a desired spacing between the structural components. The fastening assembly includes at least one gripping member, the, or each, gripping member including opposed arms and a web that interconnects the arms, with the spacer being receivable between the arms. The spacer and the arms are configured so that when the spacer is received between the arms, the arms are driven away from each other so that free ends of the arms bear against respective adjacent sides of said adjacent structural components to secure the structural components to the spacer.

The invention discloses a novel structure construction method using a gradient triple-period minimal surface lattice. The novel structure construction method comprises the following steps: defining a mathematical relationship of an entity part of a TPMS lattice according to a selected scene; the standard TPMS lattice in the original cube is deformed and matched into the pyramid space, a transition structure is formed, and a final TPMS distortion structure is output; connecting the upper-layer small unit lattices with the lower-layer large unit lattices by the TPMS twisted structure to generate gradient lattices without geometric defects; the gradient between different unit numbers is controlled by controlling the size of the top plane of the pyramid; the size of the transition area is adjusted, the transformation completion distance of the substructure is changed, and then the elastic modulus is adjusted and controlled; the number of layers of the base structure in the transition area is increased, and the buffering distance of structure transformation is prolonged. The problems that in the prior art, a gradient lattice transition area has geometric defects, the adjustable range of elastic modulus is small, and stress is concentrated are solved, and the stability and durability of the structure are improved.

The invention relates to the technical field of digital logic design, and discloses a hierarchical incremental logic synthesis method and device for multi-module design, and the method comprises the steps: building a node mapping relation between an original HDL hierarchical structure and an original network surface layer substructure; comparing the modified HDL hierarchical structure with the original HDL hierarchical structure, and identifying a target module which is changed; determining a module range, and constructing an HDL sub-design for the module range; performing logic synthesis on each HDL sub-design to generate a local department-level netlist; and integrating the local department-level netlist into the original comprehensive netlist to generate a comprehensive netlist after incremental updating. According to the method, the node mapping relation between the original HDL hierarchical structure and the original net surface layer substructure is established and utilized, so that the cross-boundary optimization behavior of the synthesizer is accurately tracked and compatible, the problem that the original structure is inconsistent with the net list structure is fundamentally solved, and the function correctness of incremental synthesis is ensured.

The invention discloses a three-dimensional reconstruction method and device for a building slope roof. The method comprises the following steps: performing plane detection on point cloud of the building slope roof to obtain a first plane set; deleting two adjacent first planes with conflicts in the first plane set to obtain a plurality of roof substructures; searching a matched optimal preset substructure in a preset substructure library based on the roof substructure; and all the optimal preset substructures are spliced and reconstructed into the three-dimensional slope roof. The geometric structure distortion during three-dimensional reconstruction of the building slope roof can be avoided, the geometric accuracy of component segmentation can be improved, and the quality of a three-dimensional model of the building slope roof is improved.

The invention discloses a multi-purpose loading test device and method for a large-span bridge cable system substructure, and relates to the technical field of bridge cable loading tests. The test device comprises a cable system stress loading system, a cross beam electric lifting locking system and a roller bearing transmission system, wherein the cable system stress loading system comprises a cable system self-balancing reaction frame, a free rotation force boundary subsystem, a free rotation anchoring subsystem and a sling force loading anchoring subsystem. Through physical designs such as self-balancing reaction frames, composite anchor rings and variable cross-section force transmission of the cable system, the force transmission path and the stress capacity of the reaction frames are optimized, the loading capacity of the whole loading system is increased to thousands of tons, and the loading diameter breaks through 500 mm; meanwhile, the free rotation force boundary subsystem and the free rotation anchoring subsystem can freely rotate in the sliding cross beam, and hovering tensioning at any angle can be achieved when the cable substructure is loaded in cooperation with free sliding of the sliding cross beam.

A semiconductor device is provided. The semiconductor device includes a first die, a second die, a first through via, and a second through. The first die includes a first substrate, a first interconnection structure disposed on the first substrate, and a plurality of first bonding substructures over the first interconnect structure. The second die includes a second substrate, a second interconnect structure disposed on the second substrate, and a plurality of second bonding substructures over the second interconnect structure. The plurality of second bonding substructures are bonded to the plurality of first bonding substructures. The first through via and the second through via extend through the second substrate and to the second interconnect structure, wherein the first through via and the second through via are electrically disconnected to each other.

The invention discloses a preparation method of a heterostructure high-performance metastable beta titanium alloy capable of inducing a deformation mechanism in a multilevel and sequential mode, and belongs to the technical field of metal materials. The method comprises the following steps: firstly, carrying out hot rolling in a beta single-phase region to prepare a blank and crushing coarse grains; substructures such as twin crystals and martensite are introduced through cold rolling; and through short-time annealing in a beta single-phase region, a multi-stage heterogeneous lamellar structure composed of thick equiaxed crystal grains, deformation recovery crystal grains and fine recrystallized crystal grains in an alternating manner is successfully constructed. The characteristic that twin crystals and martensite induce different stresses under different grain sizes is utilized, during deformation, thick equiaxed grains firstly start a deformation mechanism, and then fine recrystallized grains are activated; and in the later period of plastic deformation, the interior of the primary deformation strip further triggers a secondary deformation mechanism. The unique behavior of'grading-time sequence 'activation of a multi-deformation mechanism along with the increase of the dependent variable enables the metastable beta titanium alloy to keep excellent plasticity, and meanwhile, the work hardening rate is remarkably improved.

The invention relates to the technical field of electromagnetic coils, in particular to a Halbach array planar coil structure unit. The Halbach array planar coil structure unit is composed of a first substructure, a second substructure and a third substructure. According to the invention, a planar electromagnetic coil is adopted to form a Halbach array permanent magnetic field effect; the invention discloses a Halbach array permanent magnet structure, and aims to solve the problems that the existing Halbach array permanent magnet structure is difficult to miniaturize and rigid, cannot get rid of the limitation of permanent magnet materials, is difficult to realize a sine distribution magnetic field in a real sense and is low in electromagnetic utilization rate.

The invention discloses a real-time mixed fire test method for a large-scale substructure of a bridge cable, and belongs to the technical field of bridge fire resistance test. A full bridge is divided into a physical test substructure and an LSTM numerical substructure, the numerical substructure is constructed based on multi-scale gating residual LSTM, and second-level high-precision prediction of the boundary force or displacement of a cable system in a fire disaster is achieved through a parallel multi-branch network, a dynamic feature selection gate and residual cross-layer connection. By combining an LSTM-PID intelligent control system, displacement / stress and a temperature field are converted into loading signals according to a prediction instruction, a time delay compensation mechanism is synchronously integrated, a center hole jack, a combustor and a fan are driven in real time, a non-uniform wind-fire coupling scene is reproduced, and a full-bridge three-dimensional visual fire response is formed. According to the method, the speed bottleneck of traditional finite element calculation is broken through, second-level thermal coupling interaction is achieved, and a high-precision and high-reliability test method and platform are provided for large-span bridge fire resistance design.

The invention discloses a reservoir water fluctuation propagation direct numerical simulation method and device in gravity dam anti-seismic analysis, a medium and equipment. According to the method, fluctuation propagation in reservoir water under combined incidence of P waves and SV waves is considered, a reservoir water-foundation site free field is analyzed and calculated on the basis of the fluctuation theory and the potential function theory, then the site free field is converted into node counterforce on fluid and solid boundaries on the basis of a fluid and solid power artificial boundary substructure model, and the reservoir water-foundation site free field is obtained. Applying node counterforce on the reservoir water-foundation artificial boundary, and directly performing numerical simulation on reservoir water-foundation site free field response; based on a static-dynamic artificial boundary conversion method, considering the influence of the static effect of the gravity dam-reservoir water-foundation system on the dynamic effect of the system, and constructing a gravity dam seismic oscillation input model for directly simulating reservoir water fluctuation propagation; according to the method, the anti-seismic analysis precision of the gravity dam is improved, and the limitations of single-wave incidence during reservoir water fluctuation propagation simulation, failure to consider the static effect and the like are overcome.

The invention relates to a machining tool and a combined machining method for a radial eccentric stepped hole of an injector disc, and belongs to the field of eccentric stepped hole machining. The machining tool comprises a detachable guide drill, a detachable reamer, a detachable rose reamer and a detachable reamer. According to the structural characteristics of a cutter and a product, eccentric stepped hole machining is divided into four stage processes of drilling, broaching, chamfering and reaming, and drilling, broaching and chamfering, allowance removal and finishing machining are sequentially completed. And step-by-step machining of the eccentric chamfering stepped hole is achieved. The cutter material, the coating, the cutting edge angle and the cutter split structure are machined step by step, the service life of the cutter is prolonged, and the machining efficiency is improved by more than three times. The combined machining method is adopted, cutter deflection is effectively restrained, chamfering uniformity errors are reduced, aperture control is improved, the roughness of the inner surface of the hole is reduced, the machining efficiency of the injector disc is improved, and the combined machining method is suitable for efficient and precise machining of the spaceflight complex step eccentric hole.

To provide a method for removing an existing hollow floor slab supported from below by a substructure, which can safely remove the existing hollow floor slab without restricting the space below the existing hollow floor slab and can improve workability. [Solution] The method for removing an existing hollow deck according to the embodiment is a method for removing an existing hollow deck 1 supported by a pier 8, and includes an installation process for attaching anchor brackets 21, 21 to the underside of each of the existing hollow deck 1's piers 8, 8 between a pair of piers 8, 8, attaching an external cable 3 to the anchor brackets 21, 21, and tensioning the external cable 3; a cutting process for cutting the existing hollow deck 1 in the bridge axis direction X after tensioning the external cable 3 to form a first block 71 having the external cable 3; and a removal process for removing the first block 71 using lifting devices 83, 84.

The application discloses an analysis method for key local vibration of fluid-solid coupling bridges based on a substructure method, and relates to the technical field of bridge vibration analysis, and comprises the following steps: dividing a response key area in a bridge structure into substructures, performing static condensation, and obtaining a condensed substructure model; establishing a whole bridge-wave coupling model, and adopting a dynamic explicit solving strategy based on a coupling Euler-Lagrange method; independently solving the substructures by using a dynamic implicit method; coupling the substructures to the whole model by an interface coordination condition, and jointly calculating the whole explicit model and the local implicit model. The analysis method adopts an explicit method to process a strong nonlinear fluid-solid coupling process at a whole level, and establishes a fine substructure model through Guyan static condensation at a local area, so that the analysis precision is effectively improved.

The invention discloses a simulation method and device of a probe card, a medium and a program product, and relates to the technical field of semiconductor testing, the simulation method of the probe card comprises the steps that a simulation model of each substructure in a plurality of substructures contained in the probe card is constructed, parameterization setting is conducted on the simulation model of each substructure, and the simulation model of each substructure is obtained; the method comprises the following steps: setting link configuration information among parameterized substructure simulation models to obtain a simulation template file, and carrying out simulation test based on an input actual parameter value of a probe card and the simulation template file, so that potential risks existing in design can be found in time according to a simulation test result, the number of times of repeated modification of the design is reduced, and the design efficiency is improved. Product design quality is improved, and product development progress is accelerated. Besides, by constructing the parameterized simulation model, the constructed simulation model can be reused to products of the same type, repeated model creation and link establishment are not needed, time and labor cost are saved, and efficiency is improved.

A working machine comprising a substructure, a superstructure, an electric slew motor 38 and a slew brake system 50. The superstructure is rotatable relative to the substructure about a generally vert

The invention provides an online model updating hybrid test method based on a dual adaptive UKF algorithm, and the method comprises the steps: carrying out the initialization of a to-be-recognized constitutive model parameter, determining a parameter initial value seismic oscillation according to a genetic algorithm, inputting the seismic oscillation into a step-by-step integration algorithm, and obtaining the displacement response dk of an overall structure; obtaining the boundary displacement of the test substructure based on the displacement response dk and the constitutive model parameter estimation value of the previous step, carrying out real loading according to the boundary displacement, obtaining the real counterforce and real displacement of the test substructure, and carrying out parameter estimation based on a dual adaptive UKF algorithm; and obtaining a new constitutive model parameter value according to the new constitutive model parameter value and the displacement response dk of the overall structure, obtaining the counter-force Rk of the overall structure on each dynamic degree of freedom, realizing online identification and model updating of the constitutive model parameter, and performing loop iteration to the process of ending the test, thereby improving the precision and stability of parameter identification, and improving the test efficiency. The problem that the loading boundary of the test substructure is inaccurate is effectively solved.

The application provides a kind of aircraft servo elastic dynamics model correction method considering operating surface gap, first aircraft structure is divided into substructure, and the aircraft dynamics model containing aileron gap nonlinearity is established according to substructure branch modal;And additional inertia force caused by aircraft operating aileron deflection is introduced in dynamics model, and the aircraft open-loop servo elastic motion equation containing aileron gap nonlinearity under independent generalized coordinate is obtained;According to sensor output equation, rudder transfer function and flight control system equation, the aircraft nonlinear servo elastic closed-loop system model containing aileron gap nonlinearity is established, and the model is corrected based on ground vibration test, rudder frequency response test and gap measurement test result, and the stability of the model is judged based on simulation analysis result and open-loop frequency response test result and is further corrected, which improves the accuracy of gap nonlinearity aircraft aerodynamic servo elastic characteristic evaluation, and is helpful to guide aircraft servo elastic ground test engineering practice.

The application discloses a bridge substructure modeling scheme generation method and device, equipment and medium, relates to the field of bridge engineering technology, and comprises the following steps: obtaining bridge superstructure design input parameters, constructing substructure design task information, generating design parameters by using a large language model reasoning, and then automatically generating a modeling script and performing structure response calculation. According to the calculation result, different modeling strategies are judged and executed, and finally a target modeling scheme meeting the requirements is intelligently generated, the design parameter generation and automatic modeling of the bridge substructure in a non-standard bridge type scene are realized, and the design efficiency and accuracy are improved.

A pier section configured to be assembled into a pier structure for large bodies of water, the pier section including a substructure with a plurality of braces arranged in “X” and “W” configurations, and a plurality of gussets, the plurality of braces configured to provide distributed stress absorption throughout the substructure, and an H-frame connected to the substructure formed from a horizontal support member coupled to vertical support members.

The invention discloses an assembly type rigidity-adjustable substructure reinforcing device which is composed of a plurality of rigidity-adjustable substructures, and each substructure comprises a modular component and a rigidity-variable connecting piece. The modular component is formed by assembling standard rod pieces and detachable nodes through connecting bolts, and extensible grid units are formed. The variable-stiffness connecting piece automatically adjusts stiffness parameters based on real-time stress response of a to-be-reinforced structure and is hinged to the substructures and the to-be-reinforced structure through connecting lug plates; the substructures are distributed along the weak area of the structure to be reinforced to form a multi-stage rigidity regulation and control system, and the upper layer substructure is rigidly connected with the end part of the standard rod piece of the lower layer substructure through a detachable node. Structural response is effectively reduced by means of the modular components and the variable-stiffness connecting pieces, the load self-adaptive capacity is achieved, meanwhile, the characteristics of convenient and fast construction and intelligent operation and maintenance are achieved, and the method is suitable for existing structure reinforcement and preventive strengthening engineering of a newly-built structure.

The present application relates to an anchoring assembly, in particular for a fall protection system, and a method for indicating the application of an unexpected force to an anchoring assembly, the anchoring assembly comprising: at least one securing device for connection to at least one substructure; at least one energy absorber having a first end that can be indirectly connected to at least the substructure and / or the fastening device and a second end positioned opposite the first end, the second end comprising at least one first connecting element, wherein the energy absorber extends to a first direction; and at least one housing at least partially surrounding the energy absorber, where the housing comprises and / or is at least indirectly connected to at least one indicator element extending to a direction having at least one directional component perpendicular to the first direction, wherein the indicator element is configured to permanently change at least one of its characteristics when the energy absorber and / or the housing is deflected beyond a predefined first angle from the first direction and / or when a force above a first threshold value acts on the energy absorber and / or the housing.

A windmill construction (10), comprising a rotor-nacelle assembly (12) with blades (14), a tower (16), a substructure (20) and a foundation (22). The substructure (20) comprises a first guide collar (24) and a second guide collar (26) for support of the tower (16), said first guide collar (24) being located in a lower part of the substructure (20) and said second guide collar (26) being located in an upper part of the substructure (20). The substructure (20) comprises a jack-up assembly (30) for receipt of modular tower segments (18), said tower segments (18) are arranged to be assembled in the substructure (20) and erectable by the jack-up assembly (30) to produce an assembled tower (16). The invention is also directed to a method for assembly of a windmill construction.