Cast aluminum behaves different mechanical responses when undergoing different loading, such as uni-axial tensile and shear test. It is hard to predict such mechanical behaviors well simultaneously with one set of parameters of an isotropic yielding criterion, for example MAT_24 in LSDYNA. Thus Lode parameter is introduced to compose a new yield criterion based on traditional von Mises type as an independent, and a user-defined material subroutine is developed in LSDYNA as MAT_41. Numerical simulation based on MAT_41 shows better results than those on MAT_24 on tests of uni-axial tensile, simple shear, notch tensile, and cupping when information of displacement-force from experiments and simulations is compared, as well as the test of quasi-static compressing on the wheel along axial direction. The use of a Lode parameter dependent rheological law in the prediction of mechanical behavior of cast aluminum part is demonstrated necessary.