I need export geometric(stress or diffrential) stiffness matrix in linear buckling problem at abaqus software for use in matlab program, i find method export of usual stiffness matrix, but i cant find any data about export geometric stiffness matrix in abaqus script, Can some one help me about it? for example when i export stiffness matrix in buckling problem,the result is same as stiffness matrix in linear static problem Continue reading...
