Posts Tagged ‘topology’
|Robert Yancey - Senior Director – Global Aerospace, Altair|
Will Additive Layer Manufacturing and topology optimization revolutionize the way we design?
Additive Layer Manufacturing (ALM) has been around for some time. I got involved with this industry almost 20 years ago when it was called Rapid Prototyping and then 3D Printing and now ALM. ALM builds structures layer by layer which is different than traditional manufacturing methods which either starts with a shape and machines away the excess or uses tooling to form a part to net shape. Some ALM processes rely on lasers to cure or solidify the material and others deposit the material through tiny nozzles but all methods build up a part in thin layers.
The purpose of this functionality is to provide an iso-density surface based on the volumetric density from a topology optimization and to capture the details of the beads from topography optimization.
Danish Team Uses HyperWorks to Prove the Value of Topology Optimization for Concrete Architectural Structures
Denmark’s Aarhus School of Architecture was interested in exploring the potential of applying the kind of simulation-based topology optimization used in the automotive, aeronautical and naval industries to architectural concrete structures and coupling it with robotic fabrication of polystyrene formwork for concrete casting. Led by Per Dombernowsky, who served as project manager and engineer, and Asbjørn Søndergaard, who headed the project’s design and optimization aspects, the combined academic and industrial team created the Unikabeton Prototype project.
The mesh subpanel found in the Options panel allows you to change default meshing behavior, such as when performing an automatic re-mesh of geometry that has been edited to change its topology. Mesh subpanel can be found in Preferences Meshing options.
Topology revision is one of the parameters in the mesh subpanel which determines what to do when you change the model geometry’s topology.
Topology revision includes:
1) Keep mesh: keep the model’s existing mesh.
2) Delete mesh: delete the model’s existing mesh.
3) Remesh: automatically remesh the model using default values.
4) Advanced remesh: maintains node associations with surfaces (normal remesh may not always retain node/surface associativity, which may result in orphaned elements).
|Rick Watkins - Oil and Gas Strategic Account Manager – Altair|
In this article, we will be looking at such trends as the impact of globalization and cloud-based services. How have oil and gas companies evolved and embraced new IT demands? What pressures are these companies feeling now and how will that impact the way they manage their IT infrastructure moving forward? These questions and their answers are driving Altair’s product development philosophy for all aspects of our business.
There is a common saying in the oil and gas industry that “the age of easy oil is over.” Of course this refers to the need to recover today’s reserves in deeper and more remote locations than ever before. To be economically viable, any potential project must undergo greater scrutiny, analysis and testing. Coupled with the rapidly growing demand of the world’s existing and developing consumers, the risk of failure has maintained parity with reward for success, but each is measured in the billions of dollars. Altair HyperWorks is enabling scientists and engineers to create better numerical models and simulations of the earth’s subsurface topology. The success or failure of the recovery process in these complex formations is dependent on understanding how the structural and fluid mechanics of a rock formation will interact with the effects of the drilling, completion and production phases.
Tags: Altair, cloud computing, Globalization, HPC, HyperWorks, Moore's Law, Numerican Simulation, Oil and Gas Industry, PBS Professional, topography, topology
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Tags: aerospace, automotive, computational fluid dynamics, crash, defense, design, finite element, HyperCrash, HyperMesh, HyperView, multi-body, optimization, OptiStruct, RADIOSS, structural, topology, vehicle
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This is an introductory course for using OptiStruct for optimization in the product design process. Students will learn optimization concepts and do hands-on exercises for topology, topography, size, and shape optimizations. This two day, hands-on course features:
- Topology, topography, size and shape optimization concepts
- Linear static and normal mode analysis with OptiStruct prior to optimization
- Pre- and post- processing for OptiStruct using HyperMesh and HyperView
- Topology optimization with manufacturing constraints
- Combined topology and topography optimization
- Shape generation using HyperMorph which is a part of HyperMesh
- 2D and 3D shape optimization
- 1D and 2D size optimization
ATK Aerospace Structures in Clearfield, UT is a premier aerospace design and manufacturing company focusing on the design and manufacture of composite structures.
ATK used Altair® OptiStruct® to provide the conceptual design ideas necessary to reduce the Altair Lunar Lander Descent Module weight and meet specified design requirements not achieved in the baseline design. In addition ATK was able to evaluate the application of composites while optimizing structural architecture of the lander module.