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- At last, the forming process of bulk metal forming about cone boss was simulated in MSC. 局部变形力的求解。 围绕锥形凸台成形的数值模拟是本文的另一个主要内容,所采用的模拟软件MSC.
- The research of the BHF control is an important content during the sheet metal forming process. 压边力的控制研究是板料冲压成型过程中的一个重要内容。
- The quality of springback prediction for a sheet metal forming process depends on a precise material model. 摘要冲压过程中回弹模拟的精度依赖于准确的材料模型。
- Laser forming of sheet metal is a new emerging sheet metal forming process which is flexible and dieless. 激光板料成形技术是一种柔性无模的金属板料成形新工艺。
- The keypoint to simulate the metal forming process by using finite deformation theory is to define the constitutive equations of the material. 有限变形理论应用于金属塑性成形过程模拟的基础之一是确定材料的本构模型。
- Plastic unstability induced by localized necking in sheet metal forming process and forming limit analysis are reviewed. 简要地评述了金属薄板成型工艺中局部化颈缩引起的塑性失稳机制和成型极限分析的成果;
- Application of the method in the finite element simulation of metal forming process obtains a good accuracy in stress calculation with large strain increments. 将该算法应用于金属塑性成型过程的有限元模拟,较好地解决了大步长情况下应力计算精度低的问题。
- By introducing rigid plastic constitution relationship, the numerical manifold method (NMM)analyzing system for simulating the metal forming process is put forward. 通过引进刚塑性本构关系,建立了金属成形过程的数值流形方法的分析体系,并研究了金属成形过程模拟中的网格重分问题。
- By introducing rigid plastic constitution relationship, the numerical manifold method (NMM)analyzing system for simulating the metal forming process is put forward. The remeshing problem for simulating the metal forming process is also studied. 通过引进刚塑性本构关系,建立了金属成形过程的数值流形方法的分析体系,并研究了金属成形过程模拟中的网格重分问题。
- This project concluded that the FLSD is strain path independent and can be use as abetter criterion in sheet metal forming process, especially in the application ofmulti-stage sheet metal forming. 通过本次课题研究,证实了不同加载路径下的板料应力成形极限图接近程度良好,可以认为是与加载路径无关的,是比板料成形极限图更为合理的板料成形破坏判剧。
- Drawbead model has been applied to the dynamic explicit FEM analysis of sheet metal forming process and the simulation of deep drawing of rectangular viewfinder of automobile headlight been realized. 将拉延筋模型引入到板料成形动力显式有限元分析中,并以汽车前照灯矩形反光镜为应用实例,对其拉延成形过程进行了模拟。
- A model is established to simulate elastic binding on dynamic explicit FEA of sheet metal forming processes. 针对弹性压边建立了一个力学模型,用于板料成形的动力显式有限元模拟。
- Provides metal forming processing such as stamping, die-casting, spin casting, &lost-wax casting. 康佳制品有限公司 - - Produces cufflinks; fashion jewelry; key rings; handbag &shoe accessories.
- According to the sine law, vertical wall shell cannot be finished at one time in NC incremental sheet metal forming process, it must be formed at many times. 根据正弦定律,金属板料数控渐进成形工艺,不能一次成形出直壁筒形件,要成形直壁筒形件,必须进行多次成形。
- The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes. 变压边力策略是在冲压件成型中控制回弹的一种有效措施。
- The fundamental theories and solving methods for numerical simulation of metal forming processes with finite element method (FEM) and finite volume method (FVM) were studied. 摘要研究了有限元法(FEM)和有限体积法(FVM)模拟金属塑性成形的基本理论和求解方法。
- The sheet metal forming processes under in-plane deformation were simulated by using finite element method based on a coupled elasto-plasticity with damage constitutive laws. 基于金属板材塑性变形的损伤本构关系,运用有限元数值法分析了金属薄板的面内成形过程。
- The Period Partition of Metal Forming Process 金属塑性成形过程的时域区段划分
- WEILONG H,WANG Z R.Anisotropic characteris tics of materials and basic selecting rules with different sheet metal forming processes[J].Journal of Materials Processing Technology,2002,127:374-381. 刘罡林忠钦.;板料网格模型对薄板成形仿真计算结果的影响分析[J]
- Non-synchronous deformation effect of particles in sheet metal forming process 板料成形过程中的质点变形不同步效应