Mesh and Run a High-Fidelity Aircraft Simulation in Minutes
Boost productivity while simultaneously ensuring consistency and reliability across your organization. In this webinar, our new intelligent, automatic surface meshing feature set meets unprecedented CFD solver speed as we go from geometry import to post-processed results for a benchmark aircraft geometry in minutes.
CFD and Feature Questions Answered by Pointwise Product Planning Team
Several new significant features have been added in our latest version, Pointwise V18.4. In this Q&A, our Product Planning Team will answer questions about the new features, the future of computational fluid dynamics (CFD), and the Pointwise development plan.
Introducing Flashpoint: Goal-Oriented and Intelligent Automatic Meshing
Drawing upon decades of best practices, see how it is now faster and easier than ever to generate repeatable meshes out-of-the-box using the first in a suite of tools called Flashpoint.
Improve CFD Efficiency with Solution-Based Mesh Adaptation
Improve CFD simulation efficiency and accuracy using solution adapted meshing. In this webinar, we detail the process for developing a solution-based mesh adaptation schema. Solution driven mesh adaptation can accelerate the convergence rate by 50 percent or more, while simultaneously reducing estimated error by an order of magnitude.
High Order Mesh Generation at Pointwise
Watch the presentation, “High Order Mesh Generation at Pointwise,” presented by John Stone from CFD Technologies at the PyFR Symposium 2020. The presentation explains the mesh curving process in Pointwise.
Automated Meshing and Adaptive Re-meshing at Bombardier
Watch a webinar where Amine Ben Haj Ali from Bombardier explains the Meshing & Adaptive Re-meshing Server (MARS) which automatically generates meshes. This reduces meshing time and ensures consistent meshes across geometry variations no matter who is using it.
Converting Clouds of Points to a Boundary Representation
Watch a presentation given at the Pointwise User Group Meeting by Professor John Dannenhoffer of Syracuse University explaining his techniques for fitting a cloud of points with a smooth, watertight, B-spline based boundary representation. This technology has been incorporated into Pointwise to allow higher quality meshing on discrete geometry.
Simulation of in-flight icing on UAVs
In-flight icing is a severe hazard to all aircraft and has been a point of concern for manned aviation for many years. UAVs are a new technology, and icing only recently has been addressed as a key limitation to UAV operations. Watch a webinar on how to use icing simulations on unmanned aerial vehicles to develop ice protection systems.
Solution-Based Mesh Adaptation with Pointwise and ANSYS CFX
Improve CFD simulation efficiency and accuracy using solution adapted meshing. Watch this recorded Let’s Talk Meshing Live Q&A session to learn how mesh adaptation can help make your CFD process more efficient and accurate.
How to Mesh a Frozen Drone
Icing is a severe hazard that significantly limits the usage of autonomous unmanned aerial vehicles (UAVs). Computational fluid dynamic (CFD) methods are a vital tool for understanding the effects of icing on UAVs. One of the most challenging tasks for the simulation is the generation of high-quality meshes of complex ice shapes. Find out how Pointwise met the challenge and decreased the mesh creation time with its automation.
New Features in Pointwise V18.3
In this webinar, we demonstrate the marquee features in Pointwise V18.3. Explore the ability to use regular hexahedral cells to fill the space between the final T-Rex front and the farfield topology. This technique improves the accuracy of your CFD solution. Examine your mesh with a redesigned Examine command focused on ease of use.
High-Order Curved Meshes for More Accurate CFD Solutions
Read about how Pointwise generates high-order curved meshes for high Reynolds number flows and how it helps you do more in less time with fewer resources while lowering program uncertainty and expense.
High Order Results from DoD HPCMP CREATE-AV TM Kestrel
Watch a presentation given at the Pointwise User Group Meeting explaining why high-order and adaptation are necessary for mesh convergence.
Pointwise and the Evolution of Faster, Easier, More Reliable Automated Meshing
Generating high-quality automated meshes for CFD analysis has been an industry goal for more than 30 years. Meshing solution developers have spent much of those years trying to create user-independent solutions, only to be stymied by the inherent complexities of geometry models, the mesh, and the CFD solution. Pointwise researchers have made tremendous strides in this area lately by building on the work of others over the last three decades. As a result, they expect to release several new features very soon that will help make automated meshing a reality. Find out more about these latest advances.
Recent Developments in Pointwise Applied Research
Watch a presentation given at the Pointwise User Group Meeting about user-independent automated meshing and the latest meshing technologies under development at Pointwise.
Automatic Unstructured Mesh Generation with Geometry Attribution
Download the technical paper presented at AIAA SciTech 2019 that describes a process that automatically creates unstructured meshes from water-tight geometry input using Glyph scripting. Utilizing this process, one can reduce meshing time by up to 90 percent and manual input from hours to minutes.
Automatic Unstructured Mesh Generation with Geometry Attribution
Watch a presentation given at the Pointwise User Group Meeting about how Pointwise used custom Glyph scripts to automatically generate high-quality unstructured meshes for Engineering Sketch Pad (ESP) geometries, saving time and freeing users from repetitive and tedious tasks.
Automatic Generation of High-Quality Meshes using Pointwise and Glyph
Read a case study on how Glyph scripts integrated with Pointwise can reduce meshing time from up to 15 hours to one or two, and time spent on manual input from 12 hours to a few minutes. Automation also ensures a more consistent application of best practices for higher quality results.
Rapid Viscous CFD Mesh Generation on Propellers
Learn strategies to quickly construct a high-quality viscous mesh for a model aircraft propeller. These strategies can be used to accurately capture relevant blade geometry as well as efficiently resolve the surface curvature and boundary layer.
Reducing Discretization Error with Mesh Adaptation
Learn how mesh adaptation can improve CFD solution accuracy. Mesh adaptation can automatically add finer mesh resolution in areas where it is needed by examining an error metric or flow gradients to determine where the existing mesh is not adequately resolving the flow.
Meshing Strategies for Propulsion Aerodynamics
Several meshing techniques and meshing best-practices have been developed while creating workshop-supplied meshes for the 3rd and 4th AIAA Propulsion Aerodynamics Workshops. These meshing strategies and lessons learned have been collected to help CFD practitioners gather experience meshing these types of challenging internal flow problems.
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.
Multi-block Structured Meshing of a Diffusing S-Duct
In this webcast, we use a diffusing serpentine inlet to demonstrate some of the more advanced structured meshing techniques available in Pointwise. These meshing strategies highlight how Pointwise users can generate uniform, boundary-layer resolved grids with exceptional cell shape quality where the inlet’s shape transitions from something with a square cross-section upstream to a circular shape at the exit.
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.
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.
Unstructured Quad & Hex Meshing Using Pointwise
Watch a webinar where applying simple changes to existing meshes with Pointwise’s quad meshing for surfaces hex meshing for boundary layers will generate smaller, more efficient meshes in a highly automated manner.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
SU2-Pointwise Joint Workshop
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.
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.
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.
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.
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.
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.
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.
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.
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.
Unstructured Viscous Boundary Layer Meshing: T-Rex
For the complex geometries encountered in modern analyses, creating boundary layer resolved meshes can be tedious and error prone. Pointwise's anisotropic tetrahedral extrusion method, T-Rex, is a robust and highly automated method for creating unstructured boundary layer meshes on complex geometries.
Automating Viscous Meshing for a Transonic Aircraft Model Using Glyph Scripting
This webinar demonstrates appropriate meshing strategies while automating the grid generation process using Glyph scripting on the NASA Common Research Model from the 4th AIAA Drag Prediction Workshop.
Students' Experience with Pointwise in WVU Introduction to CFD Course
After just a few hands-on tutorial sessions, engineering seniors and graduate students at West Virginia University (WVU) were able to generate a variety of grids using Pointwise, learning how mesh topology, dimensionality, and resolution affect solution accuracy for a variety of internal and external flow problems.
Pointwise Aids Flight Experiment, Ground-Based Research for SCRAMSPACE International Access-to-Space Project
Safe, economical and ecologically responsible access to space is a major challenge for all nations due to the dependence of the global economy on assured and secure access to space-based services. The most promising way to meet this challenge is to extend aeronautical technology to hypersonic vehicles powered, at least partially, by air breathing supersonic combustion ramjet engines (scramjets).
Pointwise Works to Make Aircraft Quieter
The goal of NASA's Quiet Aircraft Technology (QAT) program is to reduce perceived aircraft noise by 50 percent in 10 years and by 75 percent in 25 years, using 1997 levels as the baseline.
Pointwise Aids Hypersonic CFD at the University of Queensland
The University of Queensland participates in the Pointwise Teaching Partnership program. During 2010, Pointwise was used for our undergraduate thesis courses and a senior elective course in hypersonics and rarefied gas dynamics.
T-Rex Hybrid Meshing in Pointwise
3D anisotropic tetrahedral extrusion (otherwise known as T-Rex) will be released soon, but the 2D surface mesh formulation of T-Rex already is available for you to use in Pointwise V16.04.