The geostrophic flow reaches its maximum at the depth of return flow axes and its vertical pattern satisfies the thermal wind relation.

Second, we discuss the influence of environmental referance potential temperture and thermal wind on Mesoscale symmetric instability.

第二，讨论了环境位温与热成风因子对中尺度对称不稳定的影响。

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The Application of Shearing Wind Helicity and Thermal Wind Helicity in Northeastern Cold Vortex Rainfall Event

切变风螺旋度和热成风螺旋度在东北冷涡暴雨中的应用

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Apply the thermal wind adjustment theorem to analyse genesis mechanism of the warm south-west vortex of China

利用热成风适应原理对暖性西南低涡生成机制的再分析

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This distributions of weather can be explained by the adjustment physical process of thermal wind.

用热成风适应物理过程来解释这种天气区分布的原因。

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Symmetric instability of non thermal wind balance basic flow

非热成风平衡基流的对称不稳定

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The courses of thermal stress and thermal deformation were analyzed by the FE method and the coefficients of thermal deformation for the wheel dimensions were obtained.

使用有限元方法分析了热轧车轮的热应力和热变形历程，得到了待求热轧车轮尺寸相应的热变形系数。

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The content included the temperature fields and thermal stress fields of wheel under emergency braking and grade braking.

本文分析了紧急、坡道两种制动条件下车轮温度场和热应力场的变化状态。

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In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.

采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区（HAZ）的焊接热循环。

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As to the analysis of stress fields, on the basis of the thermal elastic dynamics, welding structure model is founded by coupling the temperature field and the stress field.

在随后的应力应变场分析过程中，通过热-力场间接耦合，在热弹塑性力学基础上，将温度场结果耦合如应力应变场，计算得到了焊后残余应力场。

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The thermal deformation in penetration welding with a laser has been investigated as a factor which results in the elevation on the surface of the weld.

研究了热变形对激光深熔焊焊缝表面形状的影响。

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Because the thermal elasto-plastic problem in welding is very complicated, it is too difficult to be dissolved by theoretic method.

由于焊接过程中的热弹塑性问题很复杂，所以理论分析十分困难。

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Application of finite element method to the analysis of axisymmetric thermal elasto-plastic stresses in welding

轴对称热弹塑性应力有限元分析在焊接中的应用

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Study on thermal circle under in-service welding condition

X70管线钢在役条件下的焊接热循环

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The Programed Control System of the Thermal Simulator HRM for Welding Research

HRM焊接热模拟试验机的程序控制系统

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The research reveals that the hi-frequency welding process not only causes the difference between the structure of the metal under the thermal effect by welding and the structure of the base metal, but also makes changes of orientation and continuity of the metal flow line in the steel;

研究结果表明：高频焊接过程除造成焊接热影响区与基体的组织差异外，还改变了钢中金属流线的方向和连续性；

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It is a problem for welding when there are requirements on the temperature field of high thermal conductivity alloy welding. In this paper, In this paper, copper alloy as an example of a high thermal conductivity, such as plasma arc welding of the pilot study.

对温度场宽度有要求的铜合金的焊接一直是焊接的难点之一，本文以铜合金为例进行高导热合金的等离子弧焊接性能的试验研究。

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Because of high thermal conductivity, welding of copper and its alloys is usually difficult by conventional fusion welding processes. The heat input required is much higher than that in almost other materials, and the welding speed is quite low.

由于铜及其合金具有很高的导热系数，使用传统的熔焊方法焊接通常是很困难的，焊接过程中需要很高的能量输入，而且焊接速度较低。

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At the same time, analyse the stress in barrel wall ( including curve stress, thermal stress and welding heat stress and restrict stress) and educe the formula.

同时，对回转窑筒壁应力，包括弯曲应力、温度应力、焊接温度应力和拘束应力进行了分析研究和公式推导。

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Based on this reason, a direct coupled-analysis model was built to simulate the thermal distributions of welding process of the tube.

对此，文中建立了考虑接触热传导的小截面薄壁方管并行焊接的直接耦合分析模型。

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Therefore, the simulation system which simulates the welding thermal process, welding residual stress and strain of typical aircraft components has been designed.

为此，本文设计了典型飞机构件焊接热过程/应力/应变模拟系统，协助焊接工程师完成实体建模、网格划分、焊接工艺过程设计及焊接过程模拟仿真。

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