搜索结果: 61-75 共查到“知识库 工程图学”相关记录94条 . 查询时间(1.406 秒)
Determination of Optimal Build Orientation Based on Satisfactory Degree Theory for RPT
Rapid Prototyping STL file satisfactory degree multi-objective optimization
2009/8/19
In rapid prototyping, the optimal part orientation during fabrication is critical as it can improve part accuracy, minimize the requirement for supports and reduce the production time. Through investi...
CBAbench: An AutoCAD-based Dynamic Geometric Constraint System
Geometric constraint solving Constraint relation decomposition
2009/8/19
In this paper, an integration framework of Geometric Constraint Solving Engine and AutoCAD is presented, and a dynamic geometric constraint system is introduced. According to inherent orientation feat...
An Efficient No-Core Cut Pocketing CAM System for Wire-EDM
EDM Wire-EDM No-Core Cut No-Core Pocketing Pocketing Slugless
2009/8/19
Recently, wire-EDM became a necessity for many engineering applications, particularly in the dies making. No-Core cut process is helpful for operations in which falling slug can jam the machine or wir...
Efficient Data Management for Hull Condition Assessment
Hull Condition Monitoring Condition Assessment Scheme
2009/8/19
Performing inspections for Hull Condition Monitoring and Assessment as stipulated in IACS unified requirements and IMO's Condition Assessment Scheme (CAS) [5], [6] involves a huge amount of measuremen...
Simulation Based Production Using 3-D CAD in Shipbuilding
Simulation Based Production Digital Manufacturing 3-D CAD Shipbuilding AJISAI
2009/8/19
The application of three-dimensional (3-D) CAD has been popularized for design and production and digital manufacturing has been spreading in many industrial fields. By simulation of the production pr...
2D Sketch based Query Interface with Coarse Filter for 3D Shape Matching
Shape Matching Query Interface Query by Sketch Coarse Filtering
2009/8/19
Sketch based query plays an important role in shape matching for 3D shape retrieval system. Some researchers suggest the sketch based query interfaces. It is more effective to capture the needs of use...
A Two-Phase Approach of Progressive Mesh Reconstruction from Unorganized Point Clouds
Surface reconstruction Progressive mesh Differential mesh deformation
2009/8/19
This paper presents a practical approach for surface reconstruction from unoriented point clouds. Instead of estimating local surface orientation, we first generate a set of depth images from the inpu...
B-Shape and B-Complex for the Structure Analysis of Molecules
Voronoi diagram of spheres quasi-triangulation ® -shape
2009/8/19
To understand the structure of molecules, various computational methodologies have been extensively investigated such as the Voronoi diagram of the centers of atoms in molecule and the power diagram f...
Neutral reference model for engineering change propagation in global top-down modeling approach
Collaborative engineering Engineering change Neutral skeleton model
2009/8/19
Modules or parts of the final product are provided by many suppliers. Some part suppliers design their own products for themselves. In some cases, part supplier may provide the same type product to mu...
Dimension Reduction of Solid Models by Mid-Surface Generation
Dimensional reduction Mid-surface Geometry replacement
2009/8/19
Recently, feature-based solid modeling systems have been widely used in product design. However, for engineering analysis of a product model, an abstracted CAD model composed of mid-surfaces is desira...
Reliability-Based Topology Optimization For Different Engineering Applications
Reliability-Based Topology Optimization Reliability-Based Design Optimization
2009/8/19
The objective of this work is to integrate reliability analysis into topology optimization problems. We introduce the reliability constraint in the topology optimization formulation, and the new model...
Optimal Ball-end and Fillet-end Mills Selection for 3-Axis Finish Machining of Point-based Surface
Optimal tool selection point-based surface ball-end mill fillet-end mill gouging
2009/8/19
This paper presents an algorithm of optimal cutting tool selection for machining of the pointbased surface that is defined by a set of surface points rather than parametric polynomial surface equation...
The SIMP-SRV Method for Stiffness Topology Optimization of Continuum Structures
Topology optimization Discrete variable SIMP method SRV constraint
2009/8/19
This paper presents an algorithm of optimal cutting tool selection for machining of the pointbased surface that is defined by a set of surface points rather than parametric polynomial surface equation...
Background Surface Estimation for Reverse Engineering of Reliefs
relief segmentation surface fitting reverse engineering background surface
2009/8/19
Reverse engineering of reliefs aims to turn an existing relief superimposed on an underlying surface into a geometric model which may be applied to a different base surface. Steps in this process incl...
Inverse offset method for adaptive cutter path generation from point-based surface
Inverse offset method point-based surface machined surface error
2009/8/19
The inverse offset method (IOM) is widely used for generating cutter paths from the pointbased surface where the surface is characterised by a set of surface points rather than parametric polynomial s...