| 1. | The model used to control mesh deforming is improved spring analogy with boundary improvement and torsional effect improvement
网格变形的物理模型采用改进的弹簧近似模型，改进措施包括边界修正和扭转效应修正。 |
| 2. | For cases with relative large boundary displacement , a window is created enclosing the moving body in which the mesh elements are specified to be deforming adapted to the body motion
处理动边界位移较大的情况时，必须结合局部重构方法。网格变形区域被限制在包围动边界的一个窗口范围内。 |
| 3. | Mesh movement strategy is implemented by the combination of mesh deforming and local remeshing , but just using mesh deforming is sufficient for cases with relative small boundary displacement
动网格由网格变形与局部重构相结合的方法实现。对于动边界位移较小的情况则单独应用网格变形方法。 |
| 4. | The processing is needed when the watermarked mesh goes through vertexes reordering and simplification . a public mesh watermarking algorithm the watermarked mesh is obtained by using a public image watermarking algorithm to embed a watermark in a gray image
在提取水印过程中，将网格水印信息进行放大以利于水印的提取，该算法还解决了由于采样和嵌入水印而造成的网格变形问题。 |
| 5. | For the reason of concerning with large mesh distortion , the research of this kind of methods mainly focuses on constructing of finite volume schemes in lagrangian coordination and remapping of physical quantities between mesh systems
这类方法由于涉及到lagrange坐标系下计算网格的变形问题，目前的研究工作主要包括lagrange坐标系下有限体积格式的构造和针对计算网格变形的守恒重映问题。 |
| 6. | This deforming method coupled with ale euler solver is applied to simulate unsteady transonic flow about oscillating airfoil ( 2 - d ) and oscillating rigid rectangular wing ( 3 - d ) . computational results are in good agreement with experimental data
本文将网格变形方法与数值解算器耦合起来求解了二维振动翼型绕流和三维振动矩形机翼绕流，计算结果与实验结果一致，证明本文的数值方法具有较高的准确性。 |
| 7. | By this program , finite element mesh automatic dissection , finite element calculation , optimum design of structures , finite element mesh drawing , displace of finite element mesh drawing are integrated , which makes structural analysis easier
通过这套程序，实现了有限元网格自动剖分，有限元计算，结构优化设计，有限元网格图绘制，有限元网格变形图绘制的一体化，使得计算成果的分析工作简洁、方便。 |
| 8. | This software is composed of three modules : the pre - processing , analysis and calculation and post - processing . in the pre - processing , it includes automatic generation of structural meshes , adding contraints and loads and so on ; in the analysis and calculation , the wave - front is used to calculate and establish data files related ; in the post - processing , strong and visual function of vc + + is utilized to display structural deformation graph , contours as well as color cloud pictures . in this last processing , deformation graphs are divided into two types - boundary deformation graph and entire deformation graph in order to show deformation condition entirely ; contour graph comprises isodisplacement graph and isostress graph ; color cloud picture comprises cloud picture of displacement and that of stress , whose drawing principle is isoparametric mapping method
该软件由三个模块组成，即前处理、分析计算和后处理。在前处理模块中，主要包括结构网格的自动剖分、施加约束以及载荷等；在分析计算模块中，采用波前法计算并形成有关数据文件；在后处理模块中，利用vc + +强大的可视化功能自动整理计算成果并显示结构变形图、等值线图和彩色云图。其中，变形图分为两种?外框变形图和整体网格变形图，以便能综合显示变形情况。 |
| 9. | Attaching mesh generation sources to the moving boundary allows a reasonable mesh distribution after remeshing . quadtree data structure is used to accelerate the searching operation during interpolation . results of mesh deforming about a rotating airfoil show that the new spring analogy greatly improves the deforming ability and mesh quality without lowering the efficiency
以偏转翼型动网格为例验证了网格变形技术，结果表明：改进后的弹簧近似方法在保持原有高效率的同时，大大提高了网格变形能力和变形后网格质量。 |
| 10. | The node force corresponding to damp was used to control the mesh distortion . numerical studies show that the method proposed by this paper can successfully control the severe distortion of mesh and retain the density of elements during the membrane form - finding when the damp viscosity coefficient is in a limited scale . especially this method can avoid the sparseness of mesh in the location of lower curvature and have good convergence characteristic
同时针对找形分析中的动力松弛格式，本文提出了全新的控制网格变形的动力松弛法，此方法能够有效地解决膜结构找形分析中网格的大变形问题，克服了在曲率较小处网格过于稀疏的缺陷，在曲率较小处保证了单元的密度和初始构形的精度，并且收敛性较好，为准确进行荷载分析和裁剪分析奠定了基础。 |
