Failed in 2D model. Fix fixed multiply 3 into multiply NDOF.
Failed in 2D model. Fix fixed multiply 3 into multiply NDOF.

FrontISTR/FrontISTR,FrontISTR/FrontISTR,FrontISTR/FrontISTR,FrontISTR/FrontISTR,FrontISTR/FrontISTR