Meshing Solutions for the Aerospace Industry

Pointwise's meshing software has been applied to virtually every major military aircraft and spacecraft in the last 30 years including the F-16, F-15, F-18, F-22, F-35, F-117, B-2, E-2C, P-3C, Space Shuttle, Space Station and more.

Meshing for Control, Quality, and Automation

You can generate structured multi-block, unstructured, hybrid, and overset meshes for viscous simulations with precise control over point placement and clustering to get the resolution you need. At the same time, Pointwise’s core meshing methods produce cells of high quality to ensure convergence and accuracy in your CFD solution.

Using Pointwise’s Glyph scripting language, you can automate most or all of the mesh generation process by writing macros and templates. And the software’s plug-in SDK gives you the ability to write a mesh exporter customized to your CFD solver. Between Glyph and plug-ins, you can customize the entire meshing process from geometry model import to flow solver export.

Towards Mesh Adaptation with Pointwise

Towards Mesh Adaptation with Pointwise

This webinar introduces a feature currently in development for mesh adaptation. It accepts from the flow solver a point cloud on which target cell sizes are specified. This point cloud is used as a clustering source in Pointwise to adapt both the volume and surface meshes.

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1st AIAA Geometry and Mesh Generation Workshop

Report from the 1st AIAA Geometry and Mesh Generation Workshop

The 1st AIAA Geometry and Mesh Generation Workshop was held in Denver, Colorado on 3-4 June 2017 prior to the AIAA Aviation Forum. The goals of this new workshop were threefold: to assess the current state-of-the-art in geometry preprocessing and mesh generation as applied to aircraft and spacecraft systems, to identify areas of needed improvement, and to develop a foundation for development of best practices.

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Multi-block Structured Meshing of a Diffusing S-Duct

Multi-block Structured Meshing of a Diffusing S-Duct

This video demonstrates the generation of structured, multi-block grids for a serpentine inlet duct including cells of exceptionally high quality in the near-wall region. Use of PDE-based techniques, both elliptical and hyperbolic, are described.

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Pointwise Aids in Aerospike Nozzle Analysis

Pointwise Aids in Aerospike Nozzle Analysis

Aerospike rocket nozzles offer increased efficiency over a wider operating pressure range than traditional nozzles. In this study, we compare CFD and experimental predictions of aerospike nozzle thrust for varying pressure ratios and base bleed rates.

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Mesh Generation for the NASA HL-CRM

Mesh Generation for the NASA HL-CRM

Pointwise is supporting two AIAA workshops (the 3rd High Lift Prediction and the 1st Geometry and Mesh Generation Workshop) to be held prior to AIAA Aviation in June 2017. We generated several type of meshes (unstructured, hybrid, hybrid overset, and high order) for the NASA High Lift Common Research Model that are described here.

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Rotorcraft Hub Wake Analysis Using Overset Meshes

Rotorcraft Hub Wake Analysis Using Overset Meshes

Researchers at Pennsylvania State University’s Applied Research Laboratory share an overview of their ongoing work involving overset grid CFD simulations of an incompressible rotorcraft hub they performed using the overset meshing tools available in Pointwise. Preliminary CFD results show good agreement with empirical rotor hub wake measurements. Pointwise has become an integral part of these researchers' toolset as they continue their investigations into important flow phenomena for their sponsors in the rotorcraft industry.

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Unstructured Quad & Hex Meshing Using Pointwise

Unstructured Quad & Hex Meshing Using Pointwise

Pointwise’s quad-dominant surface meshing and hexahedral boundary layer volume meshing generate smaller meshes in a highly automated manner. When combined with sources for off-body clustering, a fully-resolved viscous mesh can be generated relatively quickly.

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Meshing Overview & S-Duct Results from the 3rd Propulsion Aerodynamics Workshop

Meshing Overview & S-Duct Results from the 3rd Propulsion Aerodynamics Workshop

Pointwise provided a set of standard grids for workshop participants to use at this year's 3rd Propulsion Aerodynamics Workshop in Salt Lake City, Utah. These grids were created using several new features available in Pointwise's upcoming V18 release. An overview of some of these features and the workshop grids is provided. Some initial steady-state results for the S-Duct using these grids and NASA's FUN3D solver are presented.

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Revisiting Output-Based Mesh Adaptation

Revisiting Output-Based Mesh Adaptation

Mesh adaptation techniques in computational fluid dynamics (CFD) applications have matured substantially over the years, yet still few people seem to be leveraging them to their advantage. In this article, some background on why you should be using mesh adaptation to make sure important flow features are resolved without an inordinately large overall cell count is presented along with an example using Pointwise and NASA's FUN3D solver.

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Meshing Considerations for Adjoint-based Mesh Adaptation

Meshing Considerations for Adjoint-based Mesh Adaptation

This video demonstrates best practices in Pointwise for adjoint-based, hybrid mesh adaptation using NASA Langley's FUN3D CFD solver to accurately compute the flow over an ONERA M6 wing.

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Overset Grid Generation and CFD using Pointwise, Suggar++, and Caelus

Overset Grid Generation and CFD using Pointwise, Suggar++, and Caelus

This video demonstrates the process of generating overlapping grids, setting up and executing Suggar++, and exporting the domain connectivity information all from within Pointwise. We demonstrate an overset flow simulation using the Caelus CFD solver.

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Using Automated Meshing for Analysis in Conceptual Design

Using Automated Meshing for Analysis in Conceptual Design

This webinar demonstrates how Pointwise's Glyph scripting can be used to automate generation of meshes suitable for high fidelity analysis such as CFD and FEA using as an example a generic transport aircraft modelled in OpenVSP.

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Integrating OpenVSP and Pointwise for High-Fidelity CAE in Conceptual Design

Integrating OpenVSP and Pointwise for High-Fidelity CAE in Conceptual Design

Pointwise recently attended the OpenVSP Workshop 2015 hosted by NASA Langley and demonstrated Glyph scripting for automated viscous anisotropic meshing of a transport aircraft from OpenVSP. With recently added support in OpenVSP 3 for exporting models as STEP files, users now have an easy way to use an analytical geometry representation in Pointwise. The Glyph script automates the meshing process and provides a recipe for recommended meshing practices that new users can adopt when creating their own meshes in Pointwise.

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High Order CFD Technologies

High Order CFD Technologies

by The Centre for Modelling and Simulation

Hear about the development and industrialisation of HO CFD methods, gaining an appreciation of the current state of the art - as well as a view on the future capability. High-order CFD techniques are attracting considerable research interest, as they offer the potential for significantly more accurate fluid dynamics simulation - particularly in the age of many-core processors (such as GPUs).

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Supersonic Jet in Crossflow Analysis with Pointwise and CFD++

Supersonic Jet in Crossflow Analysis with Pointwise and CFD++

Pointwise and CFD++ were used to analyze a jet in supersonic crossflow. Together they were able to provide appropriate modeling for accurate results on this relatively simple geometry with complex flow physics with shock waves and viscous effects.

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Large Scale Aircraft Design Using SU2 and Pointwise

Large Scale Aircraft Design Using SU2 and Pointwise

SU2 is an open-source collection of C++ and Python-based software for multi-physics, including computational fluid dynamics (CFD). This article discusses three design cases using SU2 with Pointwise: a transonic aircraft, a supersonic aircraft, and student-designed solar car.

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Unstructured Mesh Generation for Simulation of Airfoil Ice Accretion

Researchers at Penn State University are using T-Rex anisotropic tetrahedral extrusion in Pointwise to make high-quality, boundary layer-resolved hybrid meshes for CFD analysis of a critical flight safety issue: ice build-up on aircraft structures.

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Turbine Blade Film Cooling Optimization with CFD

Turbine Blade Film Cooling Optimization with CFD

Pointwise and CFD Code Leo were used in a conjugate heat transfer analysis to optimize film cooling for the Air Force Research Lab High-Impact Technologies Research Turbine. The result is a more uniform temperature distribution over the turbine blades.

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Students Use Pointwise with Overset Grids for Aerodynamic Analysis

Students Use Pointwise with Overset Grids for Aerodynamic Analysis

As part of their capstone senior project, engineering students at Technion – Israel Institute of Technology used Pointwise to assist in the detailed aerodynamic design of a highly-maneuverable, supersonic missile they designed.

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OpenVSP and Pointwise Work Together to Simplify CFD on New Vehicle Designs

OpenVSP and Pointwise Work Together to Simplify CFD on New Vehicle Designs

OpenVSP is an open source, parametric modeler used to quickly capture design intent so geometry information is easily provided in the appropriate form for various uses, including CFD. Therefore, several approaches were explored by which OpenVSP and Pointwise could be integrated to automate the volume meshing process for CFD.

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SU2-Pointwise Joint Workshop

SU2-Pointwise Joint Workshop

Pointwise and the SU2 team at Stanford University hosted a joint workshop that walked attendees through the end-to-end CFD process using Pointwise and Stanford's open source CFD code, SU2.

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Pointwise Meshes for Computation of Basic States in Boundary Layer Stability

Pointwise Meshes for Computation of Basic States in Boundary Layer Stability

Boundary layer transition from laminar to turbulent affects heat transfer, drag, and engine performance, but is still poorly understood. Researchers at Texas A&M are developing computational methods for predicting transition across all speed ranges.

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Tips for Handling Complex Geometries, Very Large Grids

Tips for Handling Complex Geometries, Very Large Grids

Using an aircraft landing gear as an example, this webinar illustrates techniques that simplify working with a complex geometry model and generating a mesh with viscous resolution suitable for a hybrid RANS/LES simulation.

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Supersonic Aircraft Shape Design Powered by SU2 and Pointwise

Supersonic Aircraft Shape Design Powered by SU2 and Pointwise

This webinar details how Pointwise and SU2 can be used to tackle supersonic aircraft design. Watertight surface and volume meshes for complex geometries can be quickly generated in Pointwise and exported to the native SU2 format.

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Computational Optimization of Rocket Engine Nozzles

Computational Optimization of Rocket Engine Nozzles

The primary aim of this project was to investigate the capability of using modern commercial computational fluid dynamics (CFD) packages (Pointwise and ANSYS Fluent®) as tools for analysis and design of rocket engine nozzles.

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How We Meshed the IMR Brains and Beauty Contest Geometry

How We Meshed the IMR Brains and Beauty Contest Geometry

A few weeks ago several Pointwise engineers attended the 22nd International Meshing Roundtable (IMR). They brought with them a grid Carolyn Woeber and I generated for a benchmark geometry provided by the IMR steering committee.

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Texas A&M Uses Pointwise Meshes for Boundary Layer Stability Analysis

Texas A&M Uses Pointwise Meshes for Boundary Layer Stability Analysis

Researchers at Texas A&M University are studying boundary layer stability to gain insight into how transitions from laminar to turbulent flow occur. Their research has applications from low-speed flows in which the laminar-turbulent transition location affects drag and flow separation characteristics to hypersonic flows in which the difference between low laminar and much higher turbulent heating rates can determine whether a space vehicle will successfully pass through the atmosphere or burn up on reentry.

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Mesh Generation for Airframe Noise Computations

Mesh Generation for Airframe Noise Computations

As a company, one of Pointwise's goals is to be a good advocate of the meshing and computational fluid dynamics (CFD) communities. Being an advocate means participating in technical conferences and workshops and with other community members in a non-partisan way.

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How T-Rex Unstructured Meshing Aids Transonic Aircraft Drag Reduction

How T-Rex Unstructured Meshing Aids Transonic Aircraft Drag Reduction

Learn how Pointwise's anisotropic tetrahedral extrusion method (T-Rex) automates creating unstructured viscous meshes on complex geometries in a way that reduces the effort required to accurately predict drag.

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Automating Viscous Meshing for a Transonic Aircraft Model Using Glyph Scripting

Automating Viscous Meshing for a Transonic Aircraft Model Using Glyph Scripting

This webinar will demonstrate appropriate meshing strategies while automating the grid generation process using Glyph for the NASA Common Research Model from the 4th AIAA Drag Prediction Workshop.

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