Bug fix. The ChTimestepper stuff did not work with finite elements because of a sign: the dF/dx matrix in ChTimestepper is -K , i.e. the stiffness matrix of ChFEMxxxx suff, but note the minus sign.
Bug fix. The ChTimestepper stuff did not work with finite elements because of a sign: the dF/dx matrix in ChTimestepper is -K , i.e. the stiffness matrix of ChFEMxxxx suff, but note the minus sign.

hsu/chrono,dariomangoni/chrono,PedroTrujilloV/chrono,projectchrono/chrono,rserban/chrono,armanpazouki/chrono,jcmadsen/chrono,PedroTrujilloV/chrono,amelmquist/chrono,rserban/chrono,jcmadsen/chrono,amelmquist/chrono,dariomangoni/chrono,dariomangoni/chrono,PedroTrujilloV/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,Bryan-Peterson/chrono,armanpazouki/chrono,PedroTrujilloV/chrono,dariomangoni/chrono,PedroTrujilloV/chrono,tjolsen/chrono,hsu/chrono,armanpazouki/chrono,jcmadsen/chrono,dariomangoni/chrono,andrewseidl/chrono,hsu/chrono,tjolsen/chrono,Milad-Rakhsha/chrono,armanpazouki/chrono,projectchrono/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,Bryan-Peterson/chrono,Bryan-Peterson/chrono,Milad-Rakhsha/chrono,tjolsen/chrono,hsu/chrono,armanpazouki/chrono,amelmquist/chrono,Bryan-Peterson/chrono,armanpazouki/chrono,projectchrono/chrono,jcmadsen/chrono,tjolsen/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,jcmadsen/chrono,andrewseidl/chrono,hsu/chrono,jcmadsen/chrono,andrewseidl/chrono,rserban/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,Bryan-Peterson/chrono,tjolsen/chrono,projectchrono/chrono,rserban/chrono,rserban/chrono,Milad-Rakhsha/chrono,amelmquist/chrono,andrewseidl/chrono,amelmquist/chrono,jcmadsen/chrono,andrewseidl/chrono