What is the meaning of PRJGRAD?

[han_yang]

PRJGRAD is occurred in sensitivity analysis results in frd document when keywords * FEASIBLE DIRECTION is used. But I didn’t find any explanation of this word. Can anyone give me an explanation? Thanks.

[Calc_em]

Where exactly have you seen this ? Can you share the file ? I submitted the exemplary input files from CalculiX test examples library (opt1 and opt3) and there’s no such output variable available in GraphiX.

[han_yang]

Thanks for your reply. PRJGRAD is in the output file(.frd). And I think its full name is projective gradient and means the combination of sensitivity of objective function and constraints w.r.t design variables. And you can find it in the opt1.frd. Thanks.