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Home » Keywords » simulation

Items Tagged with 'simulation'

ARTICLES

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Investigation of Gear Surface Topography and Deviations in Gear Skiving Through Advanced CAD Modeling–Based Simulation

July 15, 2022
Nikolaos Tapoglou

The research presented in this paper extends the work done on CAD-based simulation approaches with an investigation of the surface topography of gears produced through gear skiving and the investigation of the cutting tool characteristics on the geometry of the produced gear. The study is complemented with the investigation of the cutting forces required in the machining process.


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Gleason Offers e-Drive Days

March 22, 2022

Gleason is offering an online event to learn about design, manufacturing and inspection of e-drive gears.


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SMT Offers Transmission Development Webinar

March 17, 2022

SMT will offer the webinar “Transmission Development with SMT” on March 29-30, 2022.


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Analyzing Bevel Gear Damage Prediction Over Operating Life

March 1, 2020
FVA software offers simulation and calculation of transmission systems.
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Analysis of Excitation Behavior of Two-Stage Gearbox Based Upon Validated Simulation Model

September 1, 2017
In order to reduce costs for development and production, the objective in gearbox development and design is to predict running and noise behavior of a gearbox without manufacturing a prototype and running expensive experimental investigations. To achieve this objective, powerful simulation models have to be set up in a first step. Afterwards, those models have to be qualified and compared to experimental investigations. During the investigation procedure of gearboxes, there are two possibilities to evaluate the running and noise behavior: quasi-static and dynamic investigations. In times of engine downsizing, e-mobility and lightweight design, the dynamic excitation behavior is becoming increasingly important.
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Tooth Contact Analysis - Off Line of Action Contact and Polymer Gears

September 1, 2017
Dr. Paul Langlois
The aim of the study was to apply such a specialized tooth contact analysis method, well-used within the steel gear community, to a polymer gear application to assess what modifications need be made to these models for them to be applicable to polymer gears.
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Determination of Maximum Loads for Drivetrain Components in Thrusters Using Flexible Multibody-System Models

August 1, 2017
The usage of modern thrusters allows combining the functions of the drive and the ship rudder in one unit, which are separated in conventional ship propulsion systems. The horizontally oriented propeller is supported in a vertically rotatable nacelle that is mounted underneath the ship's hull. The propeller can directly or indirectly be driven by an electric motor or combustion engine. Direct drive requires the installation of a low-speed electric motor in the nacelle. This present paper concentrates on indirect drives where the driving torque is transferred by bevel gear stages and shafts from the motor to the propeller.
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Noise Reduction in an EV Hub Drive Using a Full Test and Simulation Methodology

May 1, 2016
With the ongoing push towards electric vehicles (EVs), there is likely to be increasing focus on the noise impact of the gearing required for the transmission of power from the (high-speed) electric motor to the road. Understanding automotive noise, vibration and harshness (NVH) and methodologies for total in-vehicle noise presupposes relatively large, internal combustion (IC) contributions, compared to gear noise. Further, it may be advantageous to run the electric motors at significantly higher rotational speed than conventional automotive IC engines, sending geartrains into yet higher speed ranges. Thus the move to EV or hybrid electric vehicles (HEVs) places greater or different demands on geartrain noise. This work combines both a traditional NVH approach (in-vehicle and rig noise, waterfall plots, Campbell diagrams and Fourier analysis) - with highly detailed transmission error measurement and simulation of the complete drivetrain - to fully understand noise sources within an EV hub drive. A detailed methodology is presented, combining both a full series of tests and advanced simulation to troubleshoot and optimize an EV hub drive for noise reduction.
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Worn Gear Contact Analysis

June 1, 2013
How does one perform a contact analysis for worn gears? Our expert responds.
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CFD Technology for Rotorcraft Gearbox Windage Aerodynamics Simulation

August 1, 2009
A computational fluid dynamics (CFD) method is adapted, validated and applied to spinning gear systems with emphasis on predicting windage losses. Several spur gears and a disc are studied. The CFD simulations return good agreement with measured windage power loss.
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