| 1. | A numeric example using the finite element method was given to show the correctness and effect of the concept 编制非线性有限元程序,与实测结果对比,证实了土基放大效应概念的合理性。 |
| 2. | Computer program bsnfem is complied . good agreement is found between the theoretical predications and experiment result 应用bsnfem非线性有限元程序对偏心支撑钢框架进行了循环加载分析。 |
| 3. | A nonlinear finite element analysis of 4 rc deep flexural simply supported beams with the program vt2 is presented 摘要使用基于扰动应力场模型的非线性有限元程序vt2分析了4个深受弯简支梁的受力性能。 |
| 4. | On the base of the biot consolidation theory and the principle of finite element method , the author developed a fem program bp in fortran language 本文首先根据biot固结理论与有限元原理,用fortran语言编制了平面应变条件下考虑地基土体biot固结的非线性有限元程序bp 。 |
| 5. | The developed finite element program is then used to investigate the ultimate behaviors of horizontally curved beams with a specified i - shaped cross - section . these curved members are assumed to be simple - supported and subjected to a conce 利用上面编制的非线性有限元程序,针对一特定截面的工字形水平曲梁,研究其在跨中集中荷载作用下的弹塑性工作特性。 |
| 6. | This article establishes a suitable mechanical model for urban mass transit continuous welded rails longitudinal force research , which is widely based on the real situation and draws up the nonlinear finite element method program , and is verified by practical examples 摘要?了对城市轨道交通无缝线路纵向力进行研究,根据实际结构建立了力学模型,编制了非线性有限元程序,并通过实例进行验证。 |
| 7. | Using the biot ' s theory of consolidation , a nonlinear seepage - deformation coupled fem program is adopted which is used to calculate the stresses , settlement and drainage - consolidation of a foundation which can be simplified as a plane or axial symmetry problem 本文根据biot固结理论,采用了可以考虑渗流与变形耦合的非线性有限元程序,可以对地基的应力、应变和排水固结问题(包括平面和轴对称问题)进行非线性计算。 |
| 8. | Based on the back - analysis data of some excavation stage , through the non - linear finite element program nef , we can predict the tendency of next excavation stage . the relative error between calculation and measurement is controlled in 25 % , demonstrate the estimate prediction is successful 根据反演的某一阶段的土体参数值,通过非线性有限元程序nfp ,预测后一阶段的边坡变形情况,实例中理论计算值与实测值的相对误差控制在25 %以内,说明预测是成功的。 |
| 9. | This study will gain an understanding of the earthquake response behavior of such a special structure and will also provide a basis for monitoring of bridge after opening to the traffic . in this work , a 3 - d nonlinear finite element program tty is developed the results of analysis are in good agreement with that of the bathe and changsha tiedao university ' s report about earthquake response of the dong ting hu bridge 根据理论分析结果,本文编制了三维非线性有限元程序tty ,对端部作用有集中力的弯梁作了几何非线性计算,并与bathe等进行比较;同时对湖南洞庭湖大桥进行了线性与非线性分析计算,并与长沙铁道学院洞庭湖大桥抗震性能研究报告进行了对比,其结果均能较好吻合。 |
| 10. | Secondly , with the help of a new type of plate and shell element and the layered model to simulate the reinforced concrete nonlinear process under loading , a nonlinear finite element procedure has been developed . and the results obtained from the program shows a good agreement with those from the test , which demonstrates that the methods and program developed in this thesis are feasible and practical 对处于非线性阶段的钢筋混凝土箱梁,本文采用无闭锁的新型板壳单元与分层法模型结合建立了钢筋混凝土箱梁的非线性受力模型,开发了非线性有限元程序,将算例结果与其它方法的计算结果及试验结果作了比较分析,从而验证了所采用的分析模型和分析方法及所开发程序的可行性。 |