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All posts by Pawan Soami

Introducing the Composite Materials Module

December 6, 2018

Get to know the Composite Materials Module, an add-on to the COMSOL Multiphysics® software that includes specialized functionality for modeling layered composite structures and materials.

How to Model Gearbox Vibration and Noise in COMSOL Multiphysics®

May 23, 2017

Compute the NVH, an important design consideration for automobiles, industrial machinery, and more, in a gearbox design using multibody analysis. Part 5 of a series on gear modeling.

How to Evaluate Gear Mesh Stiffness in a Multibody Dynamics Model

December 9, 2016

When performing a noise, vibration, and harshness (NVH) analysis of a transmission system, the elasticity of the gear mesh plays a crucial role in obtaining useful results. To help you create an accurate gear simulation, new features and functionality in the COMSOL Multiphysics® software enable you to evaluate gear mesh stiffness. Today, we’ll explain why it’s important to account for gear mesh elasticity as well as how to compute and include gear mesh stiffness in your multibody dynamics model.

Understanding the Different Elements of Gear Modeling

October 18, 2016

To accurately simulate a gear and obtain useful results, it is important to consider a number of elements behind the device’s design and how they are modeled. New features and functionality in the COMSOL Multiphysics® software provide you with the tools to address such properties and thus advance the reliability of your simulation studies. Today, we’ll review the various elements of gear modeling and explain how to account for them in our modeling processes.

How to Build Gear Geometries in the Multibody Dynamics Module

August 17, 2016

Realistic gear geometries are useful for multibody dynamics simulations when coupled with other physical phenomena. Rather than manually building these geometries, we can use built-in parts available in the Part Library. With these highly parameterized gear parts, we can build a wide range of parallel and planetary gear trains and learn how to use different aspects of the built-in parts to create a realistic gear model in the Multibody Dynamics Module.

An Introduction to Gear Modeling in COMSOL Multiphysics

July 7, 2016

Gears are devices that are widely used for the transmission of rotary motion from one shaft to another. Automobiles, electric motors, wind turbines, and other machines all require a gearbox in order to change their speed or torque. With the latest version of COMSOL Multiphysics® — version 5.2a — we bring you new gear modeling features and functionality, from components in the Parts Library to an array of tutorial models that illustrate potential applications.

Improving Your Golf Swing with a Multibody Analysis

June 6, 2014

How well you can strike a golf ball is not only determined by your muscle strength, but more importantly — it is influenced by several other factors involved in the mechanics of your golf swing. Let’s see how a multibody analysis of a golf swing can be used to improve the outcome of your stroke.

Modeling a Helicopter Swashplate Mechanism

June 14, 2013

A swashplate mechanism, used in a helicopter to control the pitch of the rotor blades, can be easily simulated using the Multibody Dynamics Module available in COMSOL Multiphysics. This module enables simulation of an assembly of flexible and rigid bodies, together with physical phenomena from fluid, heat, and electrical applications, among others. Here, we will show you a model to convey how a swashplate mechanism works and at the same time analyze the stresses and deformation in the flexible rotor […]


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