通过可视化,绘出了整个应力场中的三维变形曲面。
Through visualization, the three-dimensional deformation surface in whole stress field was drawn.
各种雷达天线、卫星通信地面站天线的实际反射面都是变形曲面。
A real surface of reflector is always the deformed one for antennas in radars and satellite earth stations.
在虚拟环境中,对人体头部变形曲面提取特征并参数化,建立基于弹簧质点系统的标准几何模型;
In a visual environment, the characters of transformative head surface were parametrically drown out and a standard geometrical model of head was established based on the spring mass system.
针对约束可变形曲面的交互设计,从设计需求出发,提出了雕刻操作这一直接对应于设计需求的手段。
From the design requirement, the conception of sculpting operation is developed which is a new method of sculpting surface according to the design requirement.
基于参数曲线和曲面控制的空间变形是重要的几何外形编辑和柔性物体动画实现手段。
Space Deformations controlled by parametric curve or surface are important methods for geometric shape edit and flexible object animation.
论述空间曲面的平面映射定义及其变形;
The definition and the deformations of planar mapping of a curved surface are presented in this paper.
提出了一种新的通过控制参数曲面来实现物体的自由变形的方法。
A new method of free form deformation which is controlled by parametric surface is presented in this paper.
针对复杂空间曲面提出了一种基于单元变形能的优化展开算法。
This paper presents an algorithm for the optimal development of doubly curved surfaces into planar shapes based on element deformation energy.
以矩形柱面扁壳为模型,从小变形、简单加载的前提条件出发,推导了矩形柱面扁壳切边后曲面方向回弹的理论解。
Based on the assumptions of small deformation and simple load, an analytical model of cylinder shallow shell is constructed, and the curve direction spring-back after trimming are given theoretically.
近年来为了克服直接操作自由曲面的困难,提出了几种自由变形方法。
A new method of free form deformation which is controlled by parametric surface is presented in this paper.
人体曲面建模与自由变形方法是实现人体数字化的关键技术。
Body modeling and FFD (Free form Deformation) methods are key techniques in the field of body digitalization.
为获取灵活的曲面编辑能力,设计了一种基于超二次曲面的约束变形算法。
To achieve a flexiblecapability for surface editing, a superquadric-based general constrained deformationalgorithm is designed.
利用曲面拟合的方法,分析斜浪中甲板的变形规律,提出了扭转变形分析的分量组合方法。
Use curved surface fitting method, to analyze the rule of main deck's deformation in oblique wave; present method of sub value and combination to analyze torsion deformation.
近年来为了克服直接操作自由曲面的困难,提出了几种自由变形方法。
Different methods for free deformation have been developed in the recent years to overcome difficulties in direct manipulation of surfaces.
为了用较少的参数反映人肢体皮肤的变形,该文提出以旋转圆锥曲面进行弹性连接体(人体)三维建模。
This paper presents a new method of elastic articulated objects(human bodies) modeling based on a new revolving conic surface.
结论曲面断层摄影各部位变形失真率不同,这为指导临床工作,如颌骨畸形矫正术中截骨线位置的确定。
Conclusion Distortion at the different parts of the orthopantomograph is different, therefore, the result should be beneficial for the clinicians in determination of bone cut of orthognathic surgery.
为了更加全面的掌握堤堰整体的变形情况,以便更好的指导施工,本文主要通过内插法以三维曲面的形式显示出堤堰整体水平位移情况。
The article mainly describes the level displacement of whole dike in 3-D surface by interpolation method for the overall mastery of the deformation of whole dike and directing the construction well.
将随机图形与自由曲面的变形相结合,提出了随机曲面生成的均匀插值移位法。
By combining random graphics and deformation of free-formed surface, a uniform interpolation displacement method for free-formed surface generation is proposed.
摘要:基于某汽车公司提出的曲面焊接设计需求,研究了变形对焊接组织的影响。
Abstract: This subject was raised by an automotive company. Based on the welding design on the curved surface, the effect of prior deformation on the weld structure was studied.
其天花体系要满足以屋面网架下弦球为固定点和适应双曲面的空间变化、网架雪荷载作用下沉、热胀冷缩等变形运动。
The ceiling system should satisfy these requirements that using lower chord ball as fixed point, adapting space change of hyperboloid steel grid, grid settlement under snow load.
该方法将变形体与变形体或刚体之间的接触面利用离散的解析曲面来描述。
The method USES discrete analytical surfaces to represent the surfaces between deformable and rigid bodies.
提出了一种新的通过控制参数曲面来实现物体的自由变形的方法。
Different methods for free deformation have been developed in the recent years to overcome difficulties in direct manipulation of surfaces.
这个变形器会让你的曲面变形时非常真实。
The deformers will enable your surfaces to behave in a realistic manner.
在多点成形过程中,3维曲面形状的离散傅里叶变换描述能够反映成形件的整体变形特性。
With Discrete Fourier Transforms description of 3d curved surface, transform function of forming process is discussed.
为了避免在复杂曲面的数控雕刻过程中出现图案的扭曲变形,本文提出了新的生成曲面数控雕刻刀具运动轨迹的方法。
To avoid the pattern being distorted in the process of numerical control sculpting on a complex surface, a new method is put forward to generate the tool-path of engraving on the surface.
入口截面不消耗剪切功率,然后用上界定理与曲面积分方法首次得到了用余弦模拉拔方棒时变形力的解析解。
Then with the upper-bound theorem and the surface integral an analytical solution of the drawing stress was first obtained.
实验结果表明,基于骨架驱动的作物叶片形变方法能灵活控制叶片弯曲和扭曲程度,从而获得自然的叶片曲面变形效果。
The results on leaves deformation demonstrate that the proposed approach is applicable for simulating deformation of cereal leaves with realistic effects.
改变形状参数的值能整体或局部调控曲线与曲面的形状。
The shape of the curves and surfaces can be adjusted entirely or locally by changing the values of the shape parameters.
改变形状参数的值能整体或局部调控曲线与曲面的形状。
The shape of the curves and surfaces can be adjusted entirely or locally by changing the values of the shape parameters.
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