Simulation method and device for assembly clearance between wheel low-wind-resistance insert and wheel

Abstract

The invention discloses a simulation method and device for an assembly clearance between a wheel low-wind-resistance insert and a wheel, and belongs to the technical field of vehicle design and emulation.The simulation method comprises the steps that pretreatment software HYPERMESH is used for completing neutral face grid division of the wheel low-wind-resistance insert and importing the wheel low-wind-resistance insert into mold flow analysis software MOLDFLOW, gating system modeling and cooling water path modeling are completed, and the wheel low-wind-resistance insert and the wheel low-wind-resistance insert are obtained; setting process parameters, and executing a filling process simulation analysis strategy to obtain an MOLDFLOW mold flow analysis strain result; establishing a wheel low-wind-resistance insert and wheel assembly condition static ANSYS finite element model, and mapping the MOLDFLOW mold flow analysis strain result to structural software ANSYS by using HELIUS software to carry out mold flow-structure joint simulation analysis and strategy optimization. Through computer aided design, the assembly clearance between the wheel low-wind-resistance insert and the wheel is accurately controlled, and the overall appearance quality and manufacturing precision of the wheel are improved.

Description

Technical Field

[0001] The present invention discloses a simulation method and device for the assembly clearance between a low-drag insert of a wheel and the wheel, belonging to the technical field of vehicle design and simulation. Background Art

[0002] With the rapid development of new energy vehicles, consumers have higher and higher requirements for the appearance and endurance of vehicles. Using low-drag inserts for passenger car wheels can combine the advantages of low drag coefficient, aesthetics, and reduction of unsprung mass. In the traditional development method, in addition to relying on the experience of designers, multiple mold opening and trial molding are required, consuming a large amount of materials and time to control the assembly clearance between the low-drag insert of a passenger car wheel and the wheel. Summary of the Invention

[0003] Aiming at the defects of the prior art, the present invention proposes a simulation method and device for the assembly clearance between a low-drag insert of a wheel and the wheel, which solves the problem of uneven assembly clearance between the low-drag insert of a wheel and the wheel in the prior art. Through computer-aided design, the assembly clearance between the low-drag insert of a wheel and the wheel is accurately controlled, and the overall appearance quality and manufacturing accuracy of the wheel are improved.

[0004] The technical solution of the present invention is as follows:

[0005] According to the first aspect of the embodiments of the present invention, a simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel is provided, including:

[0006] Use the pre-processing software HYPERMESH to complete the neutral plane meshing of the low-drag insert of the wheel and import it into the mold flow analysis software MOLDFLOW, complete the modeling of the gating system and the cooling water channel, set the process parameters, and execute the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain result;

[0007] Establish an ANSYS finite element model for the assembly condition of the low-drag insert of the wheel and the wheel, and perform static and dynamic analyses on the assembly. Among them, for the dynamic analysis, the analysis of the wheel rotating along the axis should be given priority, and then the analysis of the axial rotation and radial vibration should be carried out. Use the HELIUS software to map the MOLDFLOW mold flow analysis strain result into the structural software ANSYS for mold flow-structural co-simulation analysis and optimization strategy.

[0008] Preferably, the reference size of the neutral plane mesh should be controlled at 3.5 mm, and the aspect ratio should be controlled at ≤15.

[0009] Preferably, the process parameters at least include: the axial rotational speed change of the assembly after the combination of the wheel low-drag insert and the wheel, the typical working condition data of the assembly's radial vibration, the PVT characteristic curve of the material, the viscosity curve, and the modified CRIMS model.

[0010] Preferably, the implementation of the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results includes:

[0011] Perform filling analysis and determine whether it is qualified:

[0012] Yes, execute the next step;

[0013] No, after executing the mold flow optimization strategy, re-judge;

[0014] Perform holding pressure analysis and determine whether it is qualified:

[0015] Yes, execute the next step;

[0016] No, after executing the mold flow optimization strategy, re-judge;

[0017] Perform warpage analysis and determine whether it is qualified:

[0018] Yes, execute the next step;

[0019] No, after executing the mold flow optimization strategy, re-judge;

[0020] Perform cooling analysis and determine whether it is qualified:

[0021] Yes, execute the next step;

[0022] No, after executing the mold flow optimization strategy, re-judge.

[0023] Preferably, the mold flow optimization strategy includes: the structure optimization of the wheel low-drag insert, the optimization of the gate position and quantity, the optimization of the cooling water channel, and the optimization of the process parameters.

[0024] Preferably, the use of HELIUS software to map the MOLDFLOW mold flow analysis strain results to the structural software ANSYS for mold flow-structure co-simulation analysis and optimization strategy includes:

[0025] Use HELIUS software to map the MOLDFLOW mold flow analysis strain results to the structural software ANSYS, input the real material nonlinear curve, and perform material curve fitting to obtain the finite element model of the wheel low-drag insert assembly with injection strain;

[0026] In the structural software ANSYS, static and dynamic analyses are performed on the assembled assembly of the wheel low-drag insert and the wheel. For the dynamic analysis, the axial rotation speed change of the assembled assembly of the wheel low-drag insert and the wheel and the typical working condition data of the assembly's radial vibration need to be input, and it is analyzed whether the results are qualified:

[0027] Yes, proceed to the next mold flow-structural coupled simulation analysis;

[0028] No, execute the structural optimization strategy until it is qualified.

[0029] Perform a mold flow-structural coupled simulation analysis on the finite element model of the wheel low-drag insert assembly with injection strain to determine whether the assembly gap between the wheel low-drag insert and the wheel is qualified:

[0030] Yes, the analysis process ends;

[0031] No, execute the optimization strategies for the structure and parameters until it is qualified.

[0032] Preferably, the optimization strategies for the structure and parameters at least include: optimization of the wheel low-drag insert structure, optimization of the gate position and quantity, optimization of the cooling water channels, and optimization of the process parameters.

[0033] According to the second aspect of the embodiments of the present invention, there is provided an assembly gap simulation device for a wheel low-drag insert and a wheel, including:

[0034] An analysis module, which uses the preprocessing software HYPERMESH to complete the neutral plane mesh generation of the wheel low-drag insert and imports it into the mold flow analysis software MOLDFLOW to complete the modeling of the gating system and the cooling water channels, set the process parameters, and execute the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results;

[0035] An optimization module, which is used to establish a static ANSYS finite element model of the assembly working condition of the wheel low-drag insert and the wheel, and use the HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS for mold flow-structural coupled simulation analysis and optimization strategies.

[0036] According to the third aspect of the embodiments of the present invention, there is provided a terminal, including:

[0037] One or more processors;

[0038] A memory for storing executable instructions for the one or more processors;

[0039] Wherein, the one or more processors are configured to:

[0040] Execute the method described in the first aspect of the embodiments of the present invention.

[0041] According to a fourth aspect of the embodiments of the present invention, there is provided a non-transitory computer-readable storage medium. When the instructions in the storage medium are executed by a processor of a terminal, the terminal can execute the method described in the first aspect of the embodiments of the present invention.

[0042] According to a fifth aspect of the embodiments of the present invention, there is provided an application program product. When the application program product runs on a terminal, the terminal executes the method described in the first aspect of the embodiments of the present invention.

[0043] The beneficial effects of the present invention are as follows:

[0044] The present invention provides a method and device for simulating the assembly gap between a low-drag insert of a wheel and the wheel. Based on the neutral plane mesh mold flow simulation results of the low-drag insert of the wheel, the strain generated by injection molding is mapped into the result simulation finite element model through a third-party software, and the assembly gap between the low-drag insert of the wheel and the wheel is controlled. Through the above method, product defects generated in the injection molding process of the low-drag insert of the wheel and problems such as the out-of-tolerance of the subsequent assembly gap between the low-drag insert of the wheel and the wheel can be effectively avoided. Through the optimization of the structure of the low-drag insert of the wheel, the gating system, the cooling system, and the process parameters, the product development efficiency can be effectively improved, the number of trial molds can be reduced, the development cycle can be shortened, and the development cost can be reduced.

[0045] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 is a flowchart of a method for simulating the assembly gap between a low-drag insert of a wheel and the wheel shown according to an exemplary embodiment.

[0047] Figure 2 is a schematic block diagram of a structure of a device for simulating the assembly gap between a low-drag insert of a wheel and the wheel shown according to an exemplary embodiment.

[0048] Figure 3 is a schematic block diagram of a structure of a terminal shown according to an exemplary embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0049] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0050] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0051] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0052] The embodiment of the present invention provides a method for simulating the assembly gap between a low-drag insert of a wheel and the wheel. This method is implemented by a terminal, which can be a desktop computer, a laptop computer, etc. The terminal at least includes a CPU, etc.

[0053] Embodiment 1

[0054] Figure 1 FIG. is a flowchart of a method for simulating the assembly gap between a low-drag insert of a wheel and the wheel according to an exemplary embodiment. This method is used in a terminal and includes the following steps:

[0055] Step 101, use the pre-processing software HYPERMESH to complete the neutral plane meshing of the low-drag insert of the wheel and import it into the mold flow analysis software MOLDFLOW. Complete the modeling of the gating system and the cooling water channel, set the process parameters, and execute the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain result, where:

[0056] Use the pre-processing software HYPERMESH to establish the neutral plane mesh of the low-drag insert of the wheel. The reference size of the neutral plane mesh should be controlled at 3.5 mm, the aspect ratio should be controlled at ≤ 15, and there should be no duplicate or problematically connected elements. Complete the quality inspection of the mesh to meet the requirements. Import the neutral plane mesh of the low-drag insert of the wheel into the mold flow analysis software MOLDFLOW. If necessary, complete the coordinate system conversion, and the mold opening direction is the Z direction.

[0057] Complete the modeling of the pouring system and the cooling water channel respectively, set the process parameters, which shall at least include: the axial rotation speed change of the assembly after the combination of the low-drag insert of the wheel and the wheel, the typical working condition data of the radial vibration of the assembly, the PVT characteristic curve of the material, the viscosity curve, and the modified CRIMS model. Execute the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results, including:

[0058] Conduct a filling analysis and determine whether it is qualified:

[0059] Yes, execute the next step;

[0060] No, execute the mold flow optimization strategy and then make a new judgment;

[0061] Conduct a holding pressure analysis and determine whether it is qualified:

[0062] Yes, execute the next step;

[0063] No, execute the mold flow optimization strategy and then make a new judgment;

[0064] Conduct a warpage analysis and determine whether it is qualified:

[0065] Yes, execute the next step;

[0066] No, execute the mold flow optimization strategy and then make a new judgment;

[0067] Conduct a cooling analysis and determine whether it is qualified:

[0068] Yes, execute the next step;

[0069] No, execute the mold flow optimization strategy and then make a new judgment.

[0070] The above mold flow optimization strategy includes: the structure optimization of the low-drag insert of the wheel, the optimization of the gate position and quantity, the optimization of the cooling water channel, and the optimization of the process parameters.

[0071] Step 102: Establish an ANSYS finite element model of the assembly working condition of the low-drag insert of the wheel and the wheel, and conduct static and dynamic analyses on the assembly. Among them, for the dynamic analysis, the analysis of the wheel rotating along the axis shall be given priority, and then the analysis of the axial rotation and radial vibration shall be carried out. Use the HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS for mold flow-structural co-simulation analysis and optimization strategy, where:

[0072] The neutral plane mesh of the low-drag wheel insert is loaded with constraints in ANSYS software according to the boundary conditions of the actual assembly of the low-drag wheel insert, and the model is debugged. The MOLDFLOW mold flow analysis strain results are mapped into the structural software ANSYS using HELIUS software, and the true material nonlinear curve is input to perform material curve fitting to obtain a finite element model of the assembly of the low-drag wheel insert with injection strain.

[0073] In the structural software ANSYS, static and dynamic analyses are performed on the assembled assembly of the low-drag wheel insert and the wheel. For the dynamic analysis, the axial rotation speed change of the assembled assembly of the low-drag wheel insert and the wheel and the typical working condition data of the radial vibration of the assembly need to be input, and it is analyzed whether the results are qualified:

[0074] Yes, proceed to the next mold flow-structural joint simulation analysis;

[0075] No, execute the structural optimization strategy until it is qualified.

[0076] The optimization strategy for the above structure and parameters includes at least: the structural optimization of the low-drag wheel insert, the optimization of the gate position and quantity, the optimization of the cooling water channel, and the optimization of the process parameters.

[0077] Embodiment 2

[0078] Figure 2 It is a structural schematic block diagram of a simulation device for the assembly gap between a low-drag wheel insert and a wheel shown according to an exemplary embodiment. The device includes:

[0079] Analysis module 210 uses the preprocessing software HYPERMESH to complete the neutral plane mesh division of the low-drag wheel insert and import it into the mold flow analysis software MOLDFLOW, complete the modeling of the gating system and the cooling water channel, set the process parameters, and execute the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results;

[0080] Optimization module 220 is used to establish a static ANSYS finite element model of the assembly working condition of the low-drag wheel insert and the wheel, and use HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS for mold flow-structural joint simulation analysis and optimization strategy.

[0081] Based on the neutral plane mesh mold flow simulation results of the low-drag insert for wheels, this application maps the strain generated during injection molding into the result simulation finite element model through a third-party software to control the assembly gap between the low-drag insert for wheels and the wheel. Through the above method, it is possible to effectively avoid product defects generated during the injection molding process of the low-drag insert for wheels and problems such as the out-of-tolerance of the assembly gap between the subsequent product, the low-drag insert for wheels, and the wheel. By optimizing the structure of the low-drag insert for wheels, the gating system, the cooling system, and the process parameters, the product development efficiency can be effectively improved, the number of trial molds can be reduced, the development cycle can be shortened, and the development cost can be reduced.

[0082] Embodiment III

[0083] Figure 3 FIG. 7 is a structural block diagram of a terminal provided by an embodiment of this application. The terminal may be the terminal in the above embodiment. The terminal 300 may be a portable mobile terminal, such as a smart phone or a tablet computer. The terminal 300 may also be referred to by other names such as a user equipment or a portable terminal.

[0084] Generally, the terminal 300 includes a processor 301 and a memory 302.

[0085] The processor 301 may include one or more processing cores, such as a quad-core processor or an octa-core processor. The processor 301 may be implemented in at least one hardware form of DSP (Digital Signal Processing), FPGA (Field-Programmable Gate Array), or PLA (Programmable Logic Array). The processor 301 may also include a main processor and a coprocessor. The main processor is a processor used to process data in the wake state, also known as the CPU (Central Processing Unit); the coprocessor is a low-power processor used to process data in the standby state. In some embodiments, the processor 301 may be integrated with a GPU (Graphics Processing Unit), and the GPU is responsible for rendering and drawing the content to be displayed on the display screen. In some embodiments, the processor 301 may further include an AI (Artificial Intelligence) processor, and the AI processor is used to process computational operations related to machine learning.

[0086] The memory 302 may include one or more computer-readable storage media, which may be tangible and non-transitory. The memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices and flash memory storage devices. In some embodiments, the non-transitory computer-readable storage media in the memory 302 is used to store at least one instruction for being executed by the processor 301 to implement a method for simulating the assembly clearance between a wheel low-drag insert and a wheel provided in this application.

[0087] In some embodiments, the terminal 300 may further optionally include: a peripheral device interface 303 and at least one peripheral device. Specifically, the peripheral device includes at least one of: a radio frequency circuit 304, a touch display screen 305, a camera 306, an audio circuit 307, a positioning component 308, and a power supply 309.

[0088] The peripheral device interface 303 can be used to connect at least one I / O (Input / Output) related peripheral device to the processor 301 and the memory 302. In some embodiments, the processor 301, the memory 302, and the peripheral device interface 303 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 301, the memory 302, and the peripheral device interface 303 can be implemented on a separate chip or circuit board, and this embodiment does not limit this.

[0089] The radio frequency circuit 304 is used to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuit 304 communicates with a communication network and other communication devices through electromagnetic signals. The radio frequency circuit 304 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so on. The radio frequency circuit 304 can communicate with other terminals through at least one wireless communication protocol. The wireless communication protocol includes but is not limited to: the World Wide Web, a metropolitan area network, an intranet, each generation of mobile communication networks (2G, 3G, 4G, and 5G), a wireless local area network, and / or a WiFi (Wireless Fidelity) network. In some embodiments, the radio frequency circuit 304 may further include a circuit related to NFC (Near Field Communication), and this application does not limit this.

[0090] The touch display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, videos, and any combination thereof. The touch display screen 305 also has the ability to collect touch signals on or above the surface of the touch display screen 305. The touch signal can be input as a control signal to the processor 301 for processing. The touch display screen 305 is used to provide virtual buttons and / or a virtual keyboard, also known as soft buttons and / or a soft keyboard. In some embodiments, there may be one touch display screen 305, which is provided on the front panel of the terminal 300; in other embodiments, there may be at least two touch display screens 305, which are respectively provided on different surfaces of the terminal 300 or are in a foldable design; in still other embodiments, the touch display screen 305 may be a flexible display screen, which is provided on a curved surface or a folding surface of the terminal 300. Even further, the touch display screen 305 may also be set to an irregular non-rectangular shape, that is, a special-shaped screen. The touch display screen 305 may be prepared using materials such as LCD (Liquid Crystal Display) or OLED (Organic Light-Emitting Diode).

[0091] The camera module 306 is used to collect images or videos. Optionally, the camera module 306 includes a front camera and a rear camera. Generally, the front camera is used to implement video calls or selfies, and the rear camera is used to implement photo or video shooting. In some embodiments, there are at least two rear cameras, which are any one of a main camera, a depth-of-field camera, and a wide-angle camera, to implement the function of background blurring by fusing the main camera and the depth-of-field camera, and to implement panoramic shooting and VR (Virtual Reality) shooting functions by fusing the main camera and the wide-angle camera. In some embodiments, the camera module 306 may also include a flash. The flash may be a single-color-temperature flash or a dual-color-temperature flash. A dual-color-temperature flash refers to a combination of a warm-light flash and a cold-light flash, which can be used for light compensation under different color temperatures.

[0092] The audio circuit 307 is used to provide an audio interface between the user and the terminal 300. The audio circuit 307 may include a microphone and a speaker. The microphone is used to collect sound waves of the user and the environment, and convert the sound waves into electrical signals for input to the processor 301 for processing, or input to the radio frequency circuit 304 to achieve voice communication. For the purpose of stereo collection or noise reduction, there may be multiple microphones, which are respectively arranged at different parts of the terminal 300. The microphone may also be an array microphone or an omnidirectional collection microphone. The speaker is used to convert the electrical signal from the processor 301 or the radio frequency circuit 304 into sound waves. The speaker may be a traditional thin film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, it can not only convert the electrical signal into sound waves audible to humans, but also convert the electrical signal into sound waves inaudible to humans for uses such as ranging. In some embodiments, the audio circuit 307 may further include a headphone jack.

[0093] The positioning component 308 is used to locate the current geographical location of the terminal 300 to achieve navigation or LBS (Location Based Service). The positioning component 308 may be a positioning component based on the GPS (Global Positioning System) of the United States, the Beidou system of China, or the Galileo system of Russia.

[0094] The power supply 309 is used to supply power to each component in the terminal 300. The power supply 309 may be alternating current, direct current, a disposable battery, or a rechargeable battery. When the power supply 309 includes a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. A wired rechargeable battery is a battery charged through a wired line, and a wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charging technology.

[0095] In some embodiments, the terminal 300 further includes one or more sensors 310. The one or more sensors 310 include but are not limited to: an acceleration sensor 311, a gyroscope sensor 312, a pressure sensor 313, a fingerprint sensor 314, an optical sensor 315, and a proximity sensor 316.

[0096] The acceleration sensor 311 can detect the magnitudes of accelerations on the three coordinate axes of the coordinate system established with the terminal 300. For example, the acceleration sensor 311 can be used to detect the components of the gravitational acceleration on the three coordinate axes. The processor 301 can control the touch display screen 305 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 311. The acceleration sensor 311 can also be used for game or collection of the user's motion data.

[0097] The gyroscope sensor 312 can detect the body direction and rotation angle of the terminal 300. The gyroscope sensor 312 can cooperate with the acceleration sensor 311 to collect the 3D (3 Dimensions) actions of the user on the terminal 300. Based on the data collected by the gyroscope sensor 312, the processor 301 can implement the following functions: motion sensing (such as changing the UI according to the user's tilt operation), image stabilization during shooting, game control, and inertial navigation.

[0098] The pressure sensor 313 can be disposed on the side frame of the terminal 300 and / or the lower layer of the touch display screen 305. When the pressure sensor 313 is disposed on the side frame of the terminal 300, it can detect the holding signal of the user on the terminal 300, and perform left / right hand recognition or quick operation according to the holding signal. When the pressure sensor 313 is disposed on the lower layer of the touch display screen 305, it can control the operable controls on the UI interface according to the pressure operation of the user on the touch display screen 305. The operable controls include at least one of button controls, scroll bar controls, icon controls, and menu controls.

[0099] The fingerprint sensor 314 is used to collect the fingerprint of the user to identify the user's identity according to the collected fingerprint. When the identity of the user is identified as a trusted identity, the processor 301 authorizes the user to perform relevant sensitive operations, and the sensitive operations include unlocking the screen, viewing encrypted information, downloading software, making payments, and changing settings, etc. The fingerprint sensor 314 can be disposed on the front, back, or side of the terminal 300. When there are physical buttons or manufacturer Logos on the terminal 300, the fingerprint sensor 314 can be integrated with the physical buttons or manufacturer Logos.

[0100] The optical sensor 315 is used to collect the ambient light intensity. In one embodiment, the processor 301 can control the display brightness of the touch display screen 305 according to the ambient light intensity collected by the optical sensor 315. Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 305 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 305 is decreased. In another embodiment, the processor 301 can also dynamically adjust the shooting parameters of the camera module 306 according to the ambient light intensity collected by the optical sensor 315.

[0101] The proximity sensor 316, also known as a distance sensor, is typically disposed on the front face of the terminal 300. The proximity sensor 316 is used to collect the distance between the user and the front face of the terminal 300. In one embodiment, when the proximity sensor 316 detects that the distance between the user and the front face of the terminal 300 is gradually decreasing, the touch display screen 305 is controlled by the processor 301 to switch from the lit screen state to the off-screen state; when the proximity sensor 316 detects that the distance between the user and the front face of the terminal 300 is gradually increasing, the touch display screen 305 is controlled by the processor 301 to switch from the off-screen state to the lit screen state.

[0102] Those skilled in the art can understand that Figure 3 the structure shown in does not constitute a limitation on the terminal 300, and it may include more or fewer components than those shown in the figure, or combine certain components, or adopt a different component arrangement.

[0103] Embodiment 4

[0104] In an exemplary embodiment, there is also provided a computer-readable storage medium having a computer program stored thereon, and when the program is executed by a processor, it implements a method for simulating the assembly gap between a low-drag insert for a wheel and a wheel as provided in all inventive embodiments of the present application.

[0105] One or more arbitrary combinations of computer-readable media can be adopted. The computer-readable media can be a computer-readable signal medium or a computer-readable storage medium. The computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples (a non-exhaustive list) of the computer-readable storage medium include: an electrical connection having one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In this document, the computer-readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or in combination with an instruction execution system, apparatus, or device.

[0106] A computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries computer-readable program code. Such a propagated data signal may take various forms, including - but not limited to - electromagnetic signals, optical signals, or any suitable combination of the foregoing. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in connection with an instruction execution system, apparatus, or device.

[0107] The program code contained on a computer-readable medium may be transmitted using any appropriate medium, including - but not limited to - wireless, wire, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

[0108] Computer program code for performing the operations of the present invention may be written in one or more programming languages or combinations thereof. The programming languages include object-oriented programming languages such as Java, Smalltalk, C++, and also include conventional procedural programming languages such as the "C" language or similar programming languages. The program code may be executed entirely on the user's computer, partially on the user's computer, executed as a stand-alone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., through the Internet using an Internet service provider).

[0109] Embodiment Five

[0110] In an exemplary embodiment, there is also provided an application program product including one or more instructions that can be executed by a processor 301 of the above device to complete the above method for simulating the assembly clearance between a wheel low-drag insert and a wheel.

[0111] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and the illustrated and described examples here.

Claims

1. A simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel, characterized in that Including: Before use, use the pre - processing software HYPERMESH to complete the neutral - plane meshing of the low - drag insert of the wheel and import it into the mold flow analysis software MOLDFLOW. Complete the modeling of the gating system and the cooling water channels, set the process parameters, and execute the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results. Establish an ANSYS finite - element model for the assembly conditions of the low - drag insert of the wheel and the wheel, and conduct static and dynamic analyses on the assembly. Among them, for the dynamic analysis, the analysis of the wheel rotating along the axial direction should be given priority, and then the analysis of axial rotation and radial vibration should be carried out. Use the HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS for mold flow - structure co - simulation analysis and optimization strategy.

2. The simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel according to claim 1, wherein The reference size of the neutral - plane mesh should be controlled at 3.5 mm, and the aspect ratio should be controlled at ≤ 15.

3. A simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel according to claim 1, characterized in that, The process parameters should at least include: the change in the axial rotation speed of the assembly of the low - drag insert of the wheel and the wheel, the typical working - condition data of the assembly in radial vibration, the PVT characteristic curve of the material, the viscosity curve, and the modified CRIMS model.

4. A simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel according to claim 1, characterized in that The execution of the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results includes: Conduct a filling analysis and judge whether it is qualified: Yes, execute the next step; No, after executing the mold flow optimization strategy, judge again. Conduct a holding - pressure analysis and judge whether it is qualified: Yes, execute the next step; No, after executing the mold flow optimization strategy, judge again. Conduct a warpage analysis and judge whether it is qualified: Yes, execute the next step; No, after executing the mold flow optimization strategy, judge again. Conduct a cooling analysis and judge whether it is qualified: Yes, execute the next step; No, after executing the mold flow optimization strategy, judge again.

5. A simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel according to claim 1, characterized in that The mold flow optimization strategy includes: the structure optimization of the low - drag insert of the wheel, the optimization of the gate position and quantity, the optimization of the cooling water channels, and the optimization of the process parameters.

6. A simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel according to claim 1, characterized in that The use of the HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS for mold flow - structure co - simulation analysis and optimization strategy includes: Use the HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS, input the real material non - linear curve, and conduct material curve fitting to obtain the finite - element model of the assembly of the low - drag insert of the wheel with injection strain. In the structural software ANSYS, conduct static and dynamic analyses on the assembly of the low - drag insert of the wheel and the wheel. Among them, for the dynamic analysis, it is necessary to input the change in the axial rotation speed of the assembly of the low - drag insert of the wheel and the wheel and the typical working - condition data of the assembly in radial vibration, and analyze whether the results are qualified: Yes, conduct the next mold flow - structure co - simulation analysis; No, execute the structure optimization strategy until it is qualified. Conduct a mold flow - structure co - simulation analysis on the finite - element model of the assembly of the low - drag insert of the wheel with injection strain to judge whether the assembly gap between the low - drag insert of the wheel and the wheel is qualified: Yes, the analysis process ends; No, execute the optimization strategy for the structure and parameters until they are qualified.

7. A simulation method for the assembly clearance between a low-drag insert of a wheel and the wheel according to claim 6, characterized in that The optimization strategy for the structure and parameters at least includes: optimization of the low-drag insert structure of the wheel, optimization of the gate position and quantity, optimization of the cooling water channels, and optimization of the process parameters.

8. An assembly clearance simulation device for a low wind resistance insert of a wheel and the wheel, characterized in that, It includes: An analysis module that uses the preprocessing software HYPERMESH to complete the neutral plane meshing of the low-drag insert of the wheel and imports it into the mold flow analysis software MOLDFLOW, completes the modeling of the gating system and the cooling water channels, sets the process parameters, and executes the filling process simulation analysis strategy to obtain the MOLDFLOW mold flow analysis strain results; An optimization module for establishing a static ANSYS finite element model of the assembly condition of the low-drag insert of the wheel and the wheel, and using the HELIUS software to map the MOLDFLOW mold flow analysis strain results into the structural software ANSYS for mold flow-structure co-simulation analysis and optimization strategy.

9. A terminal, characterized in that, It includes: One or more processors; A memory for storing executable instructions of the one or more processors; Wherein, the one or more processors are configured to: Execute a method for simulating the assembly clearance between a low-drag insert of a wheel and the wheel according to any one of claims 1 to 7.

10. A non-transitory computer-readable storage medium, characterized in that, When the instructions in the storage medium are executed by the processor of the terminal, the terminal is enabled to execute a method for simulating the assembly clearance between a low-drag insert of a wheel and the wheel according to any one of claims 1 to 7.

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