美国宾夕法尼亚州约翰斯顿合作技术公司(Concurrent Technologies Corp., CTC)开发了一种能模拟粉末冶金注射成形过程的充模、传热和致密特性的计算机程序。虽然能够获得模拟薄壁零件成形过程的其它计算机模型,但这些模型不适用于复杂的任意三维几何形状。CTC通过开发一种用有限差分法模拟厚壁金属零件粉 Concurrent Technologies Corp. of Pennsylvania, USA, has developed a computer program that simulates mold filling, heat transfer and densification of powder metallurgy injection molding processes. While other computer models that simulate the forming of thin-walled parts are available, these models are not suitable for use in complex arbitrary three-dimensional geometries. CTC developed a method of simulating thick walled metal parts by finite difference method