نتایج جستجو برای: 3d simulation
تعداد نتایج: 727919 فیلتر نتایج به سال:
We present a method for the deenition of multiple views in 3D interfaces for computational steering. The method uses the concept of a point-based parametrizable camera object. This concept enables a user to create and conngure multiple views on his custom 3D interface in an intuitive graphical manner. Each view can be coupled to objects present in the interface, parametrized to (simulation) dat...
Representing 3D models in diverse fields have automatically paved the way of storing, indexing, classifying, and retrieving 3D objects. Classification and retrieval of 3D models demand that the 3D models represent in a way to capture the local and global shape specifications of the object. This requires establishing a 3D descriptor or signature that summarizes the pivotal shape properties of th...
in recent years, synthetic aperture radar (sar) images have played an important role in the detection and monitoring of ground targets because of their advantages such as independence from climatic conditions and sensitivity to the target geometry. the complexity of sar imaging sensors, especially in the conversion process from raw data to image, has made it difficult to interpret the behavior ...
We present the usage of a non-discrete degree of interest (DOI) function, obtained by brushing multi-valued 3D simulation data in information visualization views, to define opacity, color, and geometrical transfer functions for 3D rendering in a scientific visualization view via linking. To reflect the smooth nature of features in flow simulation data, smooth brushing was chosen. Different avai...
Abnormal mitral valve (MV) morphology may lead to high stress generation. Computational simulation of the MV apparatus may help us better understand and characterize the biomechanics and physiology of MV function and disease-related alterations. The MV apparatus geometry was identified using three-dimensional (3D) transesophageal echocardiographic (TEE) patient data. These data were converted i...
This paper presents a 3D simulation environment for track systems in semiconductor fabrication. The track systems together with exposure tools carry out important functions of the photolithography process of semiconductor fabrication. The developed 3D track simulator can be used for design and evaluation of track systems, and their performance analysis. The main goal of the 3D track simulator i...
Simulation modeling and visualization can substantially help in designing complex construction operations and in making optimal decisions where traditional methods prove ineffective or are unfeasible. However, there has been limited use of simulation in planning construction operations due to the unavailability of appropriate support tools that can provide users with a more realistic and compre...
In recent years, the rapid growth in computational power and the Internet bandwidth have made the creation of complex graphical computer simulations over the web possible. Accordingly, a variety of web-based simulation libraries that exploit 2D graphics have emerged. However, despite its visual impressiveness and high potentiality in the field of computer simulation and visualisation, a simulat...
a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...
In this study the feasibility of 3D FEM simulation of the orbital forming process was investigated by evaluating the simulation time. Commercial FEA software DEFORM 3D v4.0 that has an efficient computation algorithm for simulating incremental forming process was used for the simulations and the savings in computation time was determined. In order to provide reliable flow stress for the simulat...
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