stochastic finite element method造句
例句与造句
- the one dimensional discretized stochastic finite element method is combined with the theory of thin-walled box girders, and the method for reliability analysis of thin-walled box girders is established . 3
将它与薄壁箱梁一维离散随机有限元法相结合,提出了基于随机有限元法的薄壁箱梁可靠度计算方法和具体实施步骤。 - based on the theories of finite element and reliability, the basic idea about application of the stochastic finite element method used to analyze the abutment stability against sliding of the arch dam is presented in this paper
本文以有限元理论和可靠度理论为基础,提出了应用于拱坝坝肩抗滑稳定分析的随机有限元的基本思路。 - then combined with reliability computation, the stochastic finite element method is used to establish the relationship between the load effect ( stress or force ) and basic stochastic variable dealing with statistical features of variables
再与可靠度理论相结合,考虑变量的随机特性,通过随机有限元法建立荷载效应(如应力、内力等)与基本随机变量之间的关系。 - otherwise, this method was applied into solving burgers equation, and the numerical results show that it is a prospective numerical method for nonlinear partial differential equation . e . lastly, the wavelet stochastic finite element method for a stochastic model of soil erosion in a rill was proposed
第五、将随机有限元方法和小波精细积分法相结合提出了对细沟侵蚀模型的统计特性进行分析的小波随机有限元方法。 - a new type of viscoelastic stochastic finite element method is established using first-order perturbation theory based on local averaging method of random field and karhunen-loeve expansion theory of random process . the amount of computations is greatly reduced by transforming correlated random variables to a set of uncorrelated random variables . the relations of different random response variables are analyzed and monte carlo simulations for viscoelastic stochastic structures are investigated
基于随机场的局部平均法以及随机过程的karhunen-loeve分解理论,通过一阶随机摄动方法建立了考虑材料近似不可压缩的粘弹性随机有限元公式,由相关结构分解减少计算量,分析了各结构随机响应量之间的关系,给出了数字特征的计算方法,研究了粘弹性随机结构的montecarlo模拟验证方法。 - It's difficult to find stochastic finite element method in a sentence. 用stochastic finite element method造句挺难的
- by comparing with stochastic structural analysis, relations between the two methods have been found . the response surface method is used to obtain the second order estimates of the calculated results bound . by means of viscoelastic stochastic finite element method, the instantaneous reliability, the first passage reliability and fuzzy reliability of srm grain are investigated
采用凸集合模型表示药柱参数的不确定性,在粘弹性有限元摄动分析基础上进行了结构的响应区间计算,讨论了概率方法和集合理论模型得到的响应区间之间的关系,利用响应曲面法进行了区间的二次估计。 - the numerical methods and the monte carlo method for thin-walled box girders are studied systematically . the one-dimensional stochastic finite element method for box-girders is proposed, and applied to the reliability analysis successfully . the main contributions of the thesis are as follows : 1
对薄壁箱梁结构随机分析的数值计算理论和蒙特卡罗法进行深入研究,提出了基于一维离散有限元法的薄壁箱梁随机分析理论,对薄壁箱梁结构的可靠度进行了分析和计算。 - based on the study for the methods of structural reliability analysis, including monte carlo method, response surface method and stochastic finite element method, response surface method ( rsm ) is selected . based on the random analysis of aqueduct's frequent actions and resistances, by rsm method together with the fem method and form method, the reliabilities of its primary poles can be analyzed and the reliability of the structure be reached
利用此方法,在对渡槽常遇荷载的不确定性分析和抗力不确定性分析的基础上,结合结构分析的确定性有限元法(fem)及可靠度计算的一次二阶矩法(form),对桁架拱结构主要受力状态构件进行了可靠度分析,从而对结构的可靠性进行了评价。 - the main purpose of this paper is to establish viscoelastic stochastic finite element method and non-probabilistic method for uncertain structural analysis of srm grain . several reliability models are analyzed and structural response of srm grain with random parameters under different loads is investigated
本文重点建立了固体药柱不确定结构分析的粘弹性随机有限元方法和非概率方法,研究了药柱的结构可靠度计算问题以及不同载荷作用下具有随机参数药柱的结构响应问题。 - based on the anti-seismic standards and stability evaluation criteria of high arch dams, the current calculation methods for high arch dams are systematically summarized, which include the rigid body limit equilibrium method, method combing rigid body limit equilibrium and finite element, discontinuous deformation analysis method ( dda ), numerical manifold method, interface element method, fe-be-ibe coupled method, stochastic finite element method, artificial transmitting boundary and explicit fem, parallel computation and modeling test
摘要从高拱坝的抗震设防标准及动力稳定安全判定准则出发,对现有的高拱坝计算方法,如刚体极限平衡方法、刚体极限平衡与有限元结合方法、非连续变形分析(dda)法、数值流形方法、界面元法、有限元边界元无限边界元耦合方法、随机有限元、人工透射边界和显式有限元法、并行算法,以及模型试验等进行了归纳。 - at first, the basic theory and general process of the abutment stability against sliding of the arch dam with common definite solution ( the limiting equilibrium method of the rigid body and finite element method ) are simply developed . then combined with, reliability computation, the stochastic finite element method is used to establish the relationship between the load effect ( stress or force ) and basic stochastic variable dealing with statistical features of variables . based on the stochastic finite element method, the reliability of the arch dam abutment stability against sliding is analyzed, and the corresponding reliability index is calculated
首先简要介绍用传统定值方法(刚体极限平衡法和有限单元法)分析拱坝坝肩抗滑稳定的基本原理和一般过程,再与可靠度理论相结合,考虑变量的随机特性,通过随机有限元法建立荷载效应(如应力、内力等)与基本随机变量之间的关系,然后在随机有限元的基础上进行拱坝坝肩抗滑稳定的可靠度分析,计算相应的可靠指标。 - at first, the basic theory and general process of the abutment stability against sliding of the arch dam with common definite solution ( the limiting equilibrium method of the rigid body and finite element method ) are simply developed . then combined with, reliability computation, the stochastic finite element method is used to establish the relationship between the load effect ( stress or force ) and basic stochastic variable dealing with statistical features of variables . based on the stochastic finite element method, the reliability of the arch dam abutment stability against sliding is analyzed, and the corresponding reliability index is calculated
首先简要介绍用传统定值方法(刚体极限平衡法和有限单元法)分析拱坝坝肩抗滑稳定的基本原理和一般过程,再与可靠度理论相结合,考虑变量的随机特性,通过随机有限元法建立荷载效应(如应力、内力等)与基本随机变量之间的关系,然后在随机有限元的基础上进行拱坝坝肩抗滑稳定的可靠度分析,计算相应的可靠指标。 - for spatial, ideal elasto-plastic girder-pane structure system, using the stochastic finite element method, the static response of structural system is analyzed . taking redistribution of internal forces into account, safety margin functions of failure modes are established . using the advanced branch-and-bound method, the significant failure modes are identified, and the reliability of structural system is evaluated by pnet method
对空间理想弹塑性梁板体系结构,采用随机有限元计算结构系统的响应量;考虑内力重新分配,建立失效模式的安全余量方程,用验算点法计算失效模式安全余量的可靠性指标;用改进的分枝限界法,寻找主要失效模式:然后用pnet法计算结构系统的可靠性指标(或失效概率)。 - meanwhile, the influence of the distribution types, cut-tail and correlation of the stochastic variable on the reliability is discussed finally, the application of the arch dam abutment stability against sliding analysis with the way of common definite solution and stochastic finite element method is tested by one practical example analyzed and calculated in our province
并讨论了随机变量的分布类型、截尾情况以及相关关系对可靠指标的影响。最后对我省一实际工程进行计算和分析,验证传统定值分析方法及随机有限元方法在拱坝坝肩抗滑稳定分析中的应用。 - under the influences of random variabilities, during both construction period and operation period, the temperature field within a gravity dam body could be regarded as a random one . in this paper, stochastic finite element methods are suggested to deal with the random temperature field . by use of the suggested methods, the influences of random environmental and random hydration heat of concrete and the initial temperature of concrete as well as the thermal parameters of both concrete and rock foundation are all taken into account . according to a scheduled time table of construction, random temperature fields of a typical concrete gravity dam within both the construction period and the operation period are calculated by emulation the layer constructing of the dam . some useful conclusions are obtained from the computational results
由于施工期和运行期各种随机因素的影响,使重力坝温度场成为随机.本文综合考虑了环境温度(包括气温和库水温度)、混凝土绝热温升、入仓温度以及混凝土和基岩的热学参数随机性的影响,基于随机有限元法,给出了重力坝随机温度场的计算方法,对一典型重力坝按给定的施工进度模拟分层浇筑施工过程,对施工期及运行期前期的随机温度场进行了计算,并得出了一些有益的结论