模拟计算机

Meanwhile, a facilitated electromagnetic model of a general purpose computer motherboard is built. Numerical simulation based on the Finite-Difference Time-Domain method is performed and the coupled electromagnetic field of the motherboard is achieved.

以一款普通计算机主板作为研究对象，使用时域有限差分法进行模拟计算，得到了EMR作用下计算机主板耦合的电磁场分布。

It''s composing of dafeng hongyang heavy industry machinery co., ltd and dafeng hongyang casting factory. the factory is located in the ocean of hangnail. many years the company has attracted a lot of the designer, technical workers, equip with high advanced cad of computer backup system.

下属大丰宏扬路桥重工机械有限公司、大丰市宏洋铸造厂两个企业，工厂位于美丽的黄海之滨，多年来汇聚了一支专业技术队伍，配备先进的cad计算机辅助系统、计算机模拟测试系统和德国进口光谱分析仪器。

The main theorem of this paper is to, firstly, on the grounds of experience preliminarily estimate the parameter of the pavement nonlinear model, simulate the process with computer procedure, and check the result with the data collected in sit, then set the aim function and the superiority back-calculation method, if the function is not satisfied, it is to the method adjust the parameter and make the model impend the actuality, If the function is satisfied, it is to end the process, and record the stress, deformation, displacement and the parameter as the actual condition.

本文分析的主要原理：首先根据经验，初估路面结构层应力应变非线性参数，利用计算机程序模拟承载板试验测回弹弯沉的过程，通过现场实测的弯沉数据来检核该模拟过程的真实性，设定目标函数，选定适当的优化反算方法，当目标函数不满足时，即利用该优化反算方法调整本构模型参数，使得模型能够逐步向真实解逼近，当目标函数得到满足时，则认为此时反算得到的路面结构层的应力、应变、位移场为真实的应力、应变、位移场，所推算得到的非线性应力应变模型为真实的路面结构层应力应变模型。

Events that cannot be staged because of their danger, cost, or inaccessibility are everyday computer simulator subjects.

由于危险性大，成本高，或者因不可接近性不能实物演示的事情都是计算机模拟装置的日常模拟对象。

With the rapid development of computer technology and increasing requirements of hardening quality, the computer simulation of quenching process has attracted more and more attentions and become indispensably important means of the present quenching process research and technological design.

随着计算机技术的迅速发展和人们对淬火质量的要求越来越高，淬火过程的计算机模拟越来越受到人们的重视，已成为当今淬火过程研究和淬火工艺设计中必不可少的重要方法。

This paper introduces the simulation method and advanced computer technology combining with ship statics principle into cargo shipment of bulk grain carrier,and develops loading simulation system of the bulk grain carrier. And introduce the principle of system and method of implement particularly. This Paper describes the relating high precision calculation algorithms of the stability,trim and strength calculation used by the loading software in detail,focuses on the algorithms of numerical value integral and curve difference and imitate algorithms.

另外，本文还引入模拟的方法，采用先进的计算机技术，结合船舶静力学原理和散装谷物船舶稳性校核的特殊要求，开发了散装谷物船舶的装载模拟系统，并详细介绍了该系统的原理和实现方法，在计算方法上，采用了高精度的浮态、稳性、和强度的计算方法。

The key to simulating the procedure of rapid cooling correctly and efficiently is an appropriate interatomic potential, which should describe the interaction between atoms accurately as well as be easily used on large-scale computer simulation.

MD方法能否准确、有效地模拟金属快速凝固过程的关键在于：原子间相互作用势模型既能否足够精确地描述金属中原子间相互作用的关系，又要能够有效地用于计算机模拟。

Based on the isochronal method theory and the computer simulation technology,this paper develops precipitation runoff simulation modeling for urban drainage pipeline systems.

根据等流时线法理论和计算机模拟技术，建立了城市雨水管网系统雨水口流域降雨径流模拟模型。

The interatomic potentials are very important in the computer simulation of condensed matters, especially for their properties and evolution processes based on molecular dynamics and Monte Carlo method. The choice of interatomic potentials affects the results greatly, which depends on the types of interaction, e.g.

原子间相互作用势是凝聚态物质在原子尺度上进行计算机模拟的基础，特别是用分子动力学和Monte Carlo方法对凝聚态物质的性质和过程进行模拟时，合适的原子间相互作用势是得到有意义的结果的前提和条件。

Based on the important results obtained from the present research on second degree price discrimination, this dissertation makes a systemic and more practical mathematics study on the side of the manufacturer angels, including further and more deeply research on monopoly manufacturer how to actualize second price discrimination under nonlinear demand function, Nash equilibrium of second degree price discrimination under the condition of competition with different demand functions, monopoly manufacturer how to actualize second

结果表明，其纳什均衡结果存在依赖于两厂商产品的市场占有率，并且两厂商需求区间的分段数越多，其纳什均衡存在的必要条件要求他们的实力越接近；第四章针对实际情况将确定性需求条件下厂商处于完全垄断状态下的二度价格歧视理论研究推广到不确定性需求条件下的二度价格歧视理论研究，更进一步地研究了垄断厂商在线性随机需求条件下的二度价格歧视模型，用计算机模拟了此模型的可行性，分析模拟结果得出了一系列重要结论，最后给出了更具一般性的不确定需求条件下的二度价格歧视模型，并严格证明了此模型的可行性；第五章对全文进行总结。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。