Method, device, electronic device and storage medium for simulating elastomers
By constructing a target matrix equation that includes a pressure stability matrix and solving it using the multigrid method, the locking phenomenon in the traditional finite element method when simulating incompressible materials is solved, achieving a more stable and accurate simulation of elastic bodies.
CN119538636BActive Publication Date: 2026-06-16PEKING UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- PEKING UNIV
- Filing Date
- 2024-10-28
- Publication Date
- 2026-06-16
AI Technical Summary
⚠Technical Problem
Traditional finite element methods are prone to locking when simulating near-incompressible elastic materials, leading to decreased simulation accuracy and numerical instability, which limits the speed and scale of simulations.
⚗Method used
The target matrix equation, including the pressure stability matrix, is constructed at preset time steps, and the target matrix equation is solved using the multigrid method to update the geometric model parameters.
🎯Benefits of technology
This avoids the volume lock-in problem, improves the numerical stability and accuracy of the simulation, and enhances the reliability and efficiency of the simulation.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN119538636B_ABST
Abstract
The application relates to the technical field of elastomer simulation, and particularly provides an elastomer simulation method and device, electronic equipment and a storage medium, aiming to solve the problem that the simulation speed and scale are limited when a traditional finite element method is used for material simulation. To this end, the elastomer simulation method comprises the following steps: every preset time step, a target matrix equation for simulating a target elastomer is constructed, the target matrix equation comprises a pressure stability matrix; the target matrix equation is solved by using a multi-grid method to obtain a solution result; and based on the solution result, a geometric model parameter for simulating the target elastomer is updated. Through the method, the volume locking problem of the target elastomer in the simulation process can be avoided, the simulation numerical value is stable, and the simulation precision is improved.
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