explicit dynamics

1. EXPLICIT DYNAMICS with ANSYS/LS-DYNA

7. Comparison of Implicit and Explicit Methods March 15, 2001 Inventory #001449 1- STATIC ‘ QUASI’ STATIC DYNAMIC Structural Problems Metal Forming Impact Problems  F = 0  F  0  F = ma IMPLICIT METHOD EXPLICIT METHOD PUNCH DIE BLANK

14. File Organization March 15, 2001 Inventory #001449 1- ANSYS /SOLU or LS-DYNA solver task reads jobname.K ANSYS /PREP7 INT preprocessing writes jobname.K (standard LS-DYNA input) ANSYS Results jobname.rst Binary Result File EDRST,FREQ ANSYS/POST26 EDREAD, ... LS-TAURUS LS-POST phs3 LS-TAURUS, LS-POST, ASCII GLSTAT, MATSUM, … ASCII Result Files EDOUT,File ANSYS/POST1 ANSYS Results jobname.his Time History Data EDHIST,Comp and EDHTIME,FREQ LS-TAURUS & LS-POST phs1 LS-TAURUS & LS-POST binary d3plot Binary Result Files similar to jobname.rst LS-TAURUS & LS-POST phs2 LS-TAURUS and LS-POST binary d3thdt Binary Result Files similar to jobname.his ANSYS/POST26