| 1. | Finally , the life of dies has been analyzed by the changes of calculated load of the dies 从计算的模具载荷变化情况分析了模具的使用寿命。 |
| 2. | In this paper , building model , calculating loads , deciding boundary conditions , and building mesh are discussed 本文在有限元模型的建立、载荷计算、边界条件确定、网格划分等方面作了深入的探讨。 |
| 3. | Meanwhile , the soft of measured load calculation based on strain method and the soft of theory calculating load on vertical tail are programmed by fortran language 采用fortran语言编制了应变法实测载荷回归计算程序,垂尾载荷理论计算程序。 |
| 4. | Secondly , based on the strong nonlinearity and learning ability of artificial neural networks , a model for calculating load effect of structure during construction is presented 其次,利用bp神经网络较强的非线性影射能力和学习功能,建立了施工期结构构件的荷载效应人工神经网络计算模型。 |
| 5. | The research information of the slab that has been used for forepassed decades is extremely few . there is a lack of the method of calculating load bearing capacity of slab with slightly curved bottom in our bridge criterion 在过去的几十年中,微弯板的研究资料极少,我国桥梁规范中尚无微弯板的承载力的确定方法。 |
| 6. | The existing methods of structure design of concrete pavement with lean concrete base are analyzed , proving that the equivalent stiffness method is proper for calculating load stress but not for thermal stress 对贫混凝土基层混凝土路面现有结构设计方法的应力计算进行了分析,发现等刚度法用于双层板路面的荷载应力计算是可行的,但用于温度应力计算会引起较大的误差。 |
| 7. | On the basis of the test and finite element analysis , and on the experience of exsting research payoffs , this paper advance the method of calculating load bearing capacity of slab with slightly curved bottom considering membrane effect of the slab , and deduce the corresponding formulas 在试验和有限元分析的基础上,借鉴已有的研究成果,本文提出了考虑薄膜效应时确定微弯板承载力的方法,并推导出相应承载力计算公式。 |
| 8. | We modeled a 150000dwt bulkcarrier and chosed 8 working conditions according to " load manual " and " ccs bulkcarrier direct calculation note " . in calculating load , this article only uses the load calculation formula of ccs . this article discusses every method in dealing with boundary conditions of ccs , dnv , lr and gl 其中外力部分统一采用了中国船级社《海规》 ( 1996 )和《船体结构强度直接计算指南》 ( 2001 )的载荷计算公式,论述了ccs 、 dnv 、 lr 、 gl四家船级社各自的边界条件处理方法。 |
| 9. | In order to analyze the base stress of such a new type pavement whichasphalt surface goes upon lean concrete base , calculating the load stress without asphalt surface through fem firstly , and then analyzing the effecting of asphalt surface ' s thickness based upon elasticity theory , and finally the formula of calculating load stress of lean concrete base with asphalt surface worked out according to the previous data 摘要为分析贫混凝土基层沥青路面新型路面结构的基层应力情况,通过有限元分析方法计算贫混凝土基层的荷载应力,并利用弹性层状体系理论分析沥青面层厚度对其影响,由此推导出基层荷载应力的计算公式。 |
| 10. | To evaluate load bearing capacity of slab with slightly curved bottom , and provide scientific basis for strengthening and remaking and designing the slab , this paper discuss the method of calculating load bearing capacity of slab with slightly curved bottom according to the ministry of communications " scientific research project , that is technique research of detection , evaluation and strengthening and its spread 为了对其承载力做出较正确评价,并能为加固改造、设计提供科学依据,根据交通部《公路旧桥检测评定和加固技术研究及推广应用》科研项目的要求,本文对微弯板的承载力确定方法进行研究。 |