- Patent Title: Intra-increment adjustments of implicit finite element simulation
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Application No.: US14136783Application Date: 2013-12-20
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Publication No.: US10740513B2Publication Date: 2020-08-11
- Inventor: Harrington Hunter Harkness
- Applicant: Dassault Systèmes Simulia Corp.
- Applicant Address: US RI Johnston
- Assignee: Dassault Systèmes Simulia Corp.
- Current Assignee: Dassault Systèmes Simulia Corp.
- Current Assignee Address: US RI Johnston
- Agency: Hamilton, Brook, Smith & Reynolds, P.C.
- Main IPC: G06F30/23
- IPC: G06F30/23

Abstract:
An embodiment of the invention involves increasing the penalty stiffness within a finite element simulation increment, which is more accurate because it avoids following a solution path with significant non-physical penetrations. An embodiment of the present invention begins by determining a first value of a parameter used by a finite element simulation of a load increment. Next, a first solution of the finite element simulation is determined by performing Newton iterations using the first value of the parameter until a first convergence check is satisfied. Then, a second value the parameter is determined wherein the second value of the parameter is unequal to the first value of the parameter. Finally, a second solution of the finite element simulation is determined by continuing the Newton iterations using the second value of the parameter until a second convergence check is satisfied, the first convergence check being different than the second convergence check.
Public/Granted literature
- US20150178423A1 Intra-Increment Adjustments of Implicit Finite Element Simulation Public/Granted day:2015-06-25
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