If a pressure is applied to a free surface that comes into contact,
does the pressure remain active in ANSYS LS-DYNA?
Yes. Please see the ANSYS LS-DYNA 10.0 example below (and
attached as well) that demonstrates this behavior.
! = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
/title, Check Effect of Pressure on Surfaces in Contact
mp,ex,1,30.0e6 ! psi
mp,prxy,1,0.30 ! unitless
mp,dens,1,0.007 ! lbf-sec^2/in^4 (10 X true density)
edmp,rigid,1,7,7 ! fixed rigid base ...
mp,ex,2,30.0e6 ! psi
mp,prxy,2,0.30 ! unitless
mp,dens,2,0.007 ! lbf-sec^2/in^4 (10 X true density)
mp,ex,3,30.0e6 ! psi
mp,prxy,3,0.30 ! unitless
mp,dens,3,0.007 ! lbf-sec^2/in^4 (10 X true density)