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13 Key Applications of CFD Simulation and Modeling

Mon Dec 9, 2019

Computational fluid dynamics (CFD) is a science that uses data structures to solve issues of fluid flow -- like velocity, density, and chemical compositions. 

Tags: 3D Modeling Additive Manufacturing 3D Interoperability Manufacturing & Fabrication 3D Data

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The Main Benefits and Disadvantages of BRep Modeling

Fri Dec 6, 2019

BRep modeling, or Boundary Representation modeling, is, in CAD applications, the most common type of modeling. BRep is a mathematically precise representation of a 3D object. This representation defines the geometric boundaries between solid and non-solid geometries. 

Tags: CGM 3D InterOp 3D Software Development Kits Hybrid Modeling 3D Modeling 3D Interoperability 3D Visualization 3D Data

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What is FEA (Finite Element Analysis) in CAD?

Fri Nov 22, 2019

IN THIS ARTICLE: 

Engineers have the unenviable position of being held entirely responsible for the integrity and safety of all the products and structures they design. Small mistakes in design often lead to imminent disasters (that frequently go to court and get litigated). 

This is why products and structures go through an array of stress testing and optimization before being deployed in the real world. But doing so over hundreds of iterations (and to scale) can be prohibitively expensive. So engineers often look to simulation modeling techniques (like Finite Element Analysis) to automate and simplify this testing.

This helps to reduce the use of materials for iterative prototyping, which would otherwise be used in actualization. 

Finite element analysis is one of the most common techniques used by engineers and CAD designers to simulate “stress” on their designs. 

Tags: 3D Modeling Additive Manufacturing 3D Interoperability Manufacturing & Fabrication 3D Data

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Managing Data for Today’s Additive Manufacturing Workflow

Wed Oct 2, 2019

As manufacturers begin to rely more and more on additive manufacturing (AM), moving from a few select piece parts that are 3D printed, to hundreds of assemblies in complex systems, a cohesive methodology is needed to manage this transition and associated workflows. Companies have tried to deal with these complexities and challenges with point and home-grown solutions, trying to adapt legacy systems to the new reality.

Tags: 3D Modeling Additive Manufacturing 3D Interoperability 3D Data

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VoxelDance Makes Additive Manufacturing Data Do the Samba

Thu Sep 19, 2019

To the uninitiated, 3D printing may seem a simple process — download your CAD file and hit print. But the world of additive manufacturing is more complex. A manufacturer will have to contend with a range of data formats of varying quality (especially if a manufacturer is having to deal with multiple subcontractors for an assembly). This data needs to be correctly translated, made watertight, and made manufacturable — all while retaining design intent. Then a manufacturer needs to combine as many parts as possible to minimize both print time as well as wasted material.

Tags: 3D Modeling Additive Manufacturing 3D Interoperability Manufacturing & Fabrication 3D Data

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Clashing Geometry in BIM Datasets

Mon Nov 26, 2018

 A major benefit of constructing a building virtually is the cost savings gained by identifying errors in the design before they are found on site. One of the more common errors that can be avoided is when two objects overlap in space or clash. For example a beam that should stop at a wall may have been wrongly dimensioned so that when placed on site, it passes through the wall. Right through or only partly through, either way it is very costly to fix if it is only identified as the wall is being built .

Tags: 3D Modeling Manufacturing & Fabrication Building Information Modeling (BIM) 3D Data

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The Importance of CAD Files in Manufacturing

Fri Aug 10, 2018

3D computer-aided design (CAD) files are integral to today’s manufacturing processes. On the surface, the idea is sound: an engineering team will design a part and, in turn, will send the necessary 3D CAD files to the manufacturer to produce the part.

Tags: 3D Data

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How Poor 3D Data Translation Can Derail Project Timelines and Costs

Fri Aug 10, 2018

To manufacture a design, the engineering or design team must send its computer-aided design (CAD) files to the manufacturer. In turn, the manufacturer would rely on the CAD file to feed its machining (subtractive) or 3D printers (additive) systems, which would produce the part.

Tags: 3D Data

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