求解程序

Thermal hydraulics: actuation systems, power shift transmission systems, anti-lock braking systems, landing gear, fuel injection systems, active suspension systems, lubrication systems* Gas dynamics: pneumatics, propulsion, sterilization, air and steam cycles, high-pressure gas, gas transmission, adsorption, gas phase reactions, HVAC, ECS, multi-species gaseous systems* Multiphase fluids: refrigeration, air-conditioning, climate control, cryogenic piping networks, steam/water systems, or fuel systems with exotic, volatile fluids.* Systems control hardware and software evaluation data acquisition sampling rates, asynchronous communication, analog and digital electronic filters, control loop execution rates, network (CAN bus communication, etc.* Fuel cells: stationary or mobile.* Electrical systems: AC/DC machines, power electronics, batteries, etc. Flight dynamics, and control systems of all kinds including digital filters

MSC Easy5的独到之处在於：其一，强大的控制系统仿真分析能力，可以建立各种复杂的控制系统模型，包含稳态分析、线性系统分析、频域响应、根轨迹分析等完整的控制系统分析类型；其二，多学科专业应用库，借助专业应用库中的预定义模型元件，向用户提供独一无二的建立系统级模型和研究多学科系统耦合问题的能力；其三，卓越的代码生成和求解器，可以由图形化系统模型自动生成相应的FORTRAN或C源代码，这些代码可以通过编译生成可执行程序，并可被用户调用；其四，高效的高级建模和二次开发功能，方便用户创建用户化模型元件，并可调用外部FORTRAN或C子程序；其五，与其它CAE软件良好的集成能力，可以将不同CAE软件所建立的模型集成到MSC Easy5中建立完整的虚拟样机，是真正的协同仿真平台。

Thermal hydraulics: actuation systems, power shift transmission systems, anti-lock braking systems, landing gear, fuel injection systems, active suspension systems, lubrication systems* Gas dynamics: pneumatics, propulsion, sterilization, air and steam cycles, high-pressure gas, gas transmission, adsorption, gas phase reactions, HVAC, ECS, multi-species gaseous systems* Multiphase fluids: refrigeration, air-conditioning, climate control, cryogenic piping networks, steam/water systems, or fuel systems with exotic, volatile fluids.* Systems control hardware and software evaluation data acquisition sampling rates, asynchronous communication, analog and digital electronic filters, control loop execution rates, network (CAN bus communication, etc.* Fuel cells: stationary or mobile.* Electrical systems: AC/DC machines, power electronics, batteries, etc. Flight dynamics, and control systems of all kinds including digital filters

MSC Easy5的独到之处在于：其一，强大的控制系统仿真分析能力，可以建立各种复杂的控制系统模型，包含稳态分析、线性系统分析、频域响应、根轨迹分析等完整的控制系统分析类型；其二，多学科专业应用库，借助专业应用库中的预定义模型元件，向用户提供独一无二的建立系统级模型和研究多学科系统耦合问题的能力；其三，卓越的代码生成和求解器，可以由图形化系统模型自动生成相应的FORTRAN或C源代码，这些代码可以通过编译生成可执行程序，并可被用户调用；其四，高效的高级建模和二次开发功能，方便用户创建用户化模型元件，并可调用外部FORTRAN或C子程序；其五，与其它CAE软件良好的集成能力，可以将不同CAE软件所建立的模型集成到MSC Easy5中建立完整的虚拟样机，是真正的协同仿真平台。

Based on the characteristics of parameterized design and key technologies of knowledge based engineering, and specially according to the characteristics of the construction, figure, assembly-parameter of bicycle frame design, the article has achieved repeated using of experiential parameter and knowledge by adopting methods such as automatic reading experiential datasheet, computing parameter by making use of program, manual data-input or modifying and so on. Based on analyzing the characteristics of Rear End design and the associated characteristics with Chain Stay and Seat Stay, different design methods are analyzed in detail, and rapidly assembling of Rear End, Chain Stay and Seat Stay is achieved by using the method of combining top-down-assembly with down-top-assembly method. Based on analyzing special technologies and UDF characteristics, the repeated using of different sectional shapes by using UDF technology on the tube section design is also achieved, and this will greatly shorten the time spent on fixing the dimensions and orientations on sketches.

在探讨了参数化设计技术特点和知识工程关键技术的基础上，针对自行车车架设计中的结构、形状、装配参数特点，分别采用了读入经验数据表、参数程序求解、手工录入或修改方法实现车架设计经验参数和知识的重复利用；在分析自行车后叉片设计特点及与平、立叉的关联特性的基础上，对不同的设计方案进行了详细分析，并采用自顶向下和自底向上相结合的方法，实现了后叉片的快速装配定位与平、立叉设计相关联；在分析了特征技术和UDF特点的基础上，将UDF用于管件截面的设计上，使各种截面形状能不断重复利用，大大节省了约束草图尺寸和位置的时间。

Finite element solution of plane problems related procedures.

详细说明：有限元平面问题的求解相关程序。

Based on the inverse kinematics, forward kinematics of six-bar parallel mechanism in beamline is obtained by trust region method for nonlinear optimization. The corresponding program with MATLAB language is also designed.

以六杆并联机构的逆运动学为基础，采用信赖域法对非线性超越方程组进行优化，编制相应的MATLAB程序，求解机构的正运动学，得到了动平台中心的运动轨迹和基本规律。

First, natural frequency of Euler-Bernoulli beam with elastic bearing and without the axial force is put forward. And numerical method is used to solve the equation by a program designed by the author, and the influences of shearing deformation and rotatory inertia on frequency are analyzed.

首先对不考虑轴力影响的弹性支座Euler-Bernoulli梁的固有频率进行了推导，并用自编程序进行了数值法求解，同时分析了剪切变形和转动惯量(Timoshenko梁)对频率的影响。

Results predicted by our model are compared to published data as well as results from Schred, a popular 1D numerical solver that solves the Poisson's and Schrdinger equations self-consistently.

将该模型计算结果与目前已发表的模型计算结果以及自洽求解一维泊松方程和薛定锷方程的数值模拟程序Schred的模拟结果进行了比较。

Results predicted by our model are compared to published data as well as results from Schred,a popular 1D numerical solver that solves the Poisson's and Schrodinger equations self-consistently.

将该模型计算结果与目前已发表的模型计算结果以及自洽求解一维泊松方程和薛定锷方程的数值模拟程序Schred的模拟结果进行了比较。

With the consideration of various factors affecting on the screening effect,a screening model for drilling fluid shale shaker had been established.

利用流体力学的基本原理，对钻井筛筛面上钻井液的流动特点进行了研究；在综合考虑有关参数对钻井筛筛分影响的基础上，建立了钻井筛的筛分模型，给出影响钻井筛处理量有关因素之间的定量关系；运用平均值法对筛分方程的求解进行了探讨；应用有限差分方法建立了筛分方程的仿真模型，并编写了钻井筛处理量的计算机仿真程序。

To improve solution efficiency,the feasibility of the optimization problem is analyzed to found the parallel environment,and the parallel program of spot-weld optimization is exploited with C++ and Fortran languages.

为了提高求解效率，对优化问题的可并行性进行了分析，搭建并行环境，用C++和Fortran语言开发了焊点优化问题的并行程序。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。