An improved mathematicalmodel was established to describe the mechanical behavi or of fe - powder compacting process 針對鐵粉材料,建立了一種新的數(shù)學模型,用于描述壓制過程力學性能變化。
The porosity of the composites was controlled and compact process was carried out after the joining was finished , which decreased the damnification of joints as much as possible 它在復合材料制備過程中控制孔隙率,連接完成后再繼續(xù)材料的致密化,盡量減小了連接過程對材料的損傷。
Finally , the application of the discrete element method with an interstitial fluid is discussed . for this purpose , a dynamic compacting process and a retaining wall problem are simulated by dem . it is shown that these problems can be qualitatively analyzed by dem 對存在填隙流體時離散元法的應(yīng)用進行了初步探索,對塊石土強夯過程和擋土墻問題等進行了簡單的離散元模擬,可以看出采用存在填隙流體時球顆粒間的作用規(guī)律后,可以對一些問題定性分析。