我们从物理的角度,研究的另一类向量场是力场。
Now,the other kinds of vector fields we have seen physically are force fields.
力场由一个指向原点的向量场给出，并且此向量场的大小，与其到原点的距离的平方成反比。
That would be given by a vector field that points toward the origin and whose magnitude is inversely proportional to the square of a distance from the origin.
这在概念上很重要，因为很多力都是势场的梯度，比如重力场，电场。
And it's important conceptually because a lot of the forces are gradients of potentials, namely, gravitational force, electric force.
并在求解温度场的基础上按热弹塑性理论计算了应力场及最终的残余应力。
Both thermal stresses and residual stresses are calculated according to thermal elastoplastic theory based on the calculation of temperatures.
提出了围岩应力场及渗流场耦合作用的相似理论，研制了部分典型材料的固流耦合相似配比。
The resemble theory on coupling of solid and liquid was put forward, a part of type material coupling prepare proportion was made.
当磁场偏离势场或无力场时，将会产生场向电流，该电流与导管的强度和稳定维持密切相关。
When the magnetic field deviates from potential or force-free field, the field-aligned current can be produced, and it relates closely with the intensity and lifetime of ducts.
在多数的应用中，不是力场就是位移场总有一个是虚设的。
In the majority of applications either the force field or the displacement field is imaginary.
在多数应用中，不是力场就是位移场总有一个是虚设的。
In the majority of application, either the force field or the displacement field is imaginary.
利用有限元方法对该结构内部的应力场和位移场进行了研究。
Finite element method is used to study stress and place moving field inside the structure and electric measure method is utilized to verify the result of calculation.
最后，以高脚杯形挤压铸件作为大高径比挤压铸件的实例，对其挤压铸造过程中的温度场和应力场进行了模拟和分析。
At last, as the example of squeeze casting with large ratio of height to diameter, the temperature field and stress field of high-leg casting were simulated and analyzed.
通过计算温度场和应力场，分析了喷管在发动机工作过程中的结构完整性。
Structure integrality of nozzle during the working process of motor was analyzed by calculating temperature field and stress field.
为了进行渗流作用下的边坡稳定性分析，必须考虑渗流场与应力场之间的相互耦合作用。
To analyse the stability of soil slope under seepage, the effects of coupling between seepage and stress fields should be considered.
地下水渗流场和应力场的相互作用和影响称之为渗流与应力耦合。
The interaction between seepage field of groundwater and stress field is called coupling of seepage and stress.
熔积成形的技术关键是成形性与热应力的控制，而这些与成形过程的温度场和应力场紧密相关。
The key of this technology is the formability and the control of the thermal stress. And these are associated with the temperature field and stress field.
本文运用有限单元法，对钢包底的温度场和应力场进行了数值模拟。
In this paper, temperature and stress field on the bottom had been simulated using finite element method.
获得了非封闭环焊缝焊接温度场和残余应力场，并对模拟结果进行了分析。
The temperature field and residual stress field of unclosed hoop weld were obtained and the results were discussed.
采用ALGOR有限元分析系统，对基坑开挖引起的应力场、位移场进行了分析计算。
By using ALGOR finite element analysis system, the stress field and displacement field of deep excavation were calculated.
实例分析了不同土性参数情况下有限变形和小变形理论在压力场、位移场和应力场等方面的差异。
The differences between finite deformation and small deformation in such aspects as pressure field, displacement field and stress field are analyzed with different soil parameters.
本文重点解决了土坝研究的三大问题：参数反演问题、渗流场分析问题以及渗流场和应力场的耦合问题。
There are three dam researching problems that have been emphasis solved in this paper, which are parameter inverse analysis, seepage field analysis and seepage stress coupled field analysis.
将内水压力以体力的形式作用于隧洞衬砌和围岩，建立了高压隧洞内水外渗渗流场与应力场的耦合数值分析的计算模型。
The inner water pressure is applied to the lining block and surrounding rock as physical force, and the coupled analysis model of seepage field and stress field is formed.
对船用钢板激光弯曲成形过程的温度场、应力场及应变场进行了数值模拟。
The temperature field, stress field and strain field of shipbuilding steel plate during laser forming process were calculated.
温度和压力是烃类形成的两个主要控制因素，在沉积盆地中温度场与压力场之间存在着复杂的相互制约机制。
Temperature and pressure are two major control factors of hydrocarbon generation. The relation between pressure field and temperature field is very complicated in sediment basins.
本文采用三维各向异性弹性理论直接求解纤维增强的复合材料叠层圆柱壳体在轴向载荷作用下的位移场和应力场。
In this paper, the displacement and stress fields for a composite laminated circular shell under axial load are solved by. using three-dimensional anisotropic elasticity theory.
渗流场与应力场的耦合作用在油气二次运移过程中突出地表现为应力场影响渗流场。
The coupling of seepage and stress fields is represented by the effect of stress field on seepage field during oil and gas secondary migration.
计算了薄膜在高功率脉冲激光作用下截面温度场和应力场分布。
The sectional temperature and stress diStribution of optical films under high power PUlse laser irradiation are calculated.
分析了隧道水平冻结情况下的冻结区的温度场、应力场和位移场。
In situation of tunnel's horizontal freezing, temperature, stress and displacement fields were analyzed.
采用MARC软件对铍环激光束钎焊过程的温度场和应力场进行了有限元分析。
MARC software was used to simulate the temperature and stress fields of laser beam braze welding process of beryllium ring.
该模型将温度场和应力场的计算相互耦合，交替进行。
The computation of temperature filed is coupled with that of stress field in this model.
对铍环激光束钎焊过程的温度场和应力场进行了有限元模拟。
The temperature and stress fields of a ring structure laser welding are simulated by finite element method (FEM).
对铍环激光束钎焊过程的温度场和应力场进行了有限元模拟。
The temperature and stress fields of a ring structure laser welding are simulated by finite element method (FEM).
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