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Terje Rølvåg
Norway
Registrace 6. 01. 2017
I will post NX and FEDEM training videos on this channel with a special focus on how to prepare FE models for real time Digital Twin applications. You will also find new playlists dedicated to my new courses at NTNU and OsloMet. These are called "Digital twin Technologies for Condition and Structural health Monitoring"
Digital Twin based Condition Monitoring of Rotor System
This video demonstrates how rotor dynamics can be simulated in the time domain applicable to Digital Twin based Condition Monitoring. Both physical (Bently Nevada RK4) and virtual testing (FEDEM/Non-linear FEA) are demonstrated and compared wrt. to axial deflections, hot spot stresses and bearing loads. A high speed Photron camera is used to visualize the radial deformations of the rotor axis at critical speeds. The selection of sampling rates in physical and virtual tests are discussed
zhlédnutí: 452
Video
Digital Twin supported Structural Health Monitoring
zhlédnutí 608Před 11 měsíci
This video uses a physical cantilever beam mounted on a Kongsberg shaker and a Photron high speed camera to visualize its structural behavior at resonance frequencies. Sine sweep functions are used to trigger the first 3 eigenmodes between 5 and 120 Hz. A FEDEM Digital Twin (DT) model is then validated and used to simulate the physical test. Virtual strain gages on the DT model is providing str...
ASME 2022 OMAE Promotion Video
zhlédnutí 352Před 2 lety
This is a promotion video for me and Øystein Strandens paper DIGITAL TWIN BASED STRUCTURAL HEALTH MONITORING OF OFFSHORE CRANE. The paper will be presented at the ASME 2022 OMAE conference in June 5-10, 2022, Hamburg, Germany
Mola Exercise Video
zhlédnutí 677Před 2 lety
This video presents how Modal analysis of a Digital Twin (FE model) can help you identify defects on a Physical Twin (real asset). The asset in this exercise is a physical Bridge model assembled with MOLA Kit No. 3 (thanks to MOLA for their support)
Real Time Digital Twin based Structural Health Monitoring
zhlédnutí 2KPřed 3 lety
This video describes how to model, setup and run a Digital Twin for Structural Health Monitoring of a real physical offshore crane. The digital twin is simulating physical crane operations based on outputs from the crane sensors sent from an IoT gateway to a cloud solution. The cloud sensor data is filtered and read by a FEDEM digital twin that replicates the physical crane motions. The simulat...
IoT/Digital Twin presentation at the 36th International CAE Conference
zhlédnutí 1,3KPřed 3 lety
This video is a short teaser to an AHT Tools project presentation given by my me and Kjell Bengtsson (Jotna AS) at the 36th International CAE Conference 2020 (www.caeconference.com/). The presentation demonstrates how ISO 10303 (AP209) has been extended to include all date needed to transfer and store Digital Twin data (CAD, FEM, KINEMATICS, SENSORS etc). The new AP209 technology has been appli...
Welcome to Finite Element Applications in Mechanical Engineering (FEAinME)
zhlédnutí 1,6KPřed 5 lety
It's a pleasure to welcome you to FEAinME. The teaching facilities are brand new and so are the lecture notes (theory) and multiple choice tests.
FEDEM simulation of Harley Davidson Softtail with 113cc S&S engine (0-60mph simulation)
zhlédnutí 593Před 5 lety
This video shows a Softtail with 113cc S&S engine accelerating from 0-60mph in 4 seconds (the original does it in 4.8 seconds). Both bike setups are simulated with all structural and mechanical components represented by a mix of FEMs, lumped masses, springs, dampers, tires etc to give correct mass and stiffness distribution and reliable results. Please also take a look at the stress animation (...
FEDEM simulation of Harley Davidson Softtail with 113cc S&S Motor
zhlédnutí 638Před 5 lety
This video is showing the VonMises stresses during (the first second) of an acceleration from 0-60 mph in 4 seconds. The FEDEM model is representing a Softtail Custom 1987 frame equipt with a 113cc S&S engine. Additional parts like engine, gearbox, tires, fork, axles are modeled to ensure an optimal force and mass/stiffness distribution. Additional tank, saddle, driver, handle bar masses are in...
Jack Recall - FEAinME Physical Test
zhlédnutí 261Před 6 lety
The students used FEDEM and NX to predict the failure modes for a 1.5 tons electric jack that was recalled from the Norwegian market (it is still for sale in US!). This short video shows a physical test where the jack was loaded with 1.5 tons and run to a lower position! (the jack has more failure modes than shown here ...)
NX SOL 601 Nonlinear FEA (Geometry)
zhlédnutí 7KPřed 6 lety
In this video you will learn how to setup and run a Nonlinear Geometry simulation in SOL 601 demonstrating how large deformations and follower loads can effect the tangential stiffness. This is the third of 3 videos giving an introduction to Nonlinear FEA. In the two other videos I demonstrate nonlinear Materials and Contact.
NX SOL 601 Nonlinear FEA (Contacts)
zhlédnutí 8KPřed 6 lety
In this video you will learn how to setup and run a Nonlinear Contact simulation in SOL 601 demonstrating how contacts (nonlinear boundary conditions) can effect the tangential stiffness. This is the second of 3 videos giving an introduction to Nonlinear FEA. In the two other videos I demonstrate nonlinear Materials and Geometry (large deflections and follower loads)
NX SOL 601 Nonlinear FEA (Materials)
zhlédnutí 3,3KPřed 6 lety
In this video you will learn how to setup and run a Nonlinear Material simulation in SOL 601 demonstrating plasticity and it's effect on the tangential stiffness. This is the first of 3 videos giving an introduction to Nonlinear FEA.The next two videos will demonstrate nonlinear Contacts and Geometry (large deflections and follower loads)
Digital Twins for Structural Health Monitoring and Predictive Maintenance
zhlédnutí 8KPřed 6 lety
This video demonstrates real industrial digital twin applications that will be used as benchmarks for future PhDs. They represent current state of art in Digital Twins for digital inspection of structural integrity. The instrumentation of the physical assets are financially supported by SAP and Fedem Technology AS. The digital twins are created in FEDEM by NTNU/MTP master students