Answered
Degenerate mass distribution after reducing step size and using state-space model
Hi Erika, A few things you can try: Typically the degenerate mass distribution error with a fixed step solver indicates a nume...

4 months ago | 1

Answered
simscape problem degenerate mass:connection revolute and rectangular joint. Stop simulation
Hi Elisa, You will generally get error messages about degenerate mass distribution if you have a degree of freedom that has no ...

4 months ago | 0

Answered
Limitation and Correction in modelling flexible bodies
I think your best bet is to look at the documentation for the blocks and shipping examples. General Flexible Beam Reduced Orde...

4 months ago | 0

Answered
Help with assembly Error
Hi, It wasn't easy to figure out what this model is supposed to do, but I did get it to assemble by changing 2 Revolute joints ...

4 months ago | 0

Answered
Error with Articulated four-joints
Hi Alexander, The model you have shown above is built using Simscape Multibody 1G technology. You could get it to work if you ...

4 months ago | 0

Answered
Zero-order hold in SimMechanics?
Hi, You can run a Simscape Multibody simulation with a fixed step solver. The model is represented by continuous states even w...

4 months ago | 0

Answered
Simulation Addons with Simulink - How to view Subsystems?
Hi Andre, For some blocks in the Simscape add-on products, we show portions of the source code so you can see how the equations...

4 months ago | 0

Answered
More information about assembly (or why is something not assembling)
Hi Phillipp, Be sure to check the Model Report, accessible from the Mechanics Explorer. It will tell you which joints it could...

4 months ago | 0

Answered
Simmechanics (1G): Low intertia slows down simulation
Hi there, When you have incredibly small inertias, tiny forces lead to gigantic accelerations. This can make a number of varia...

4 months ago | 0

Answered
Can someone please help with a SimMechanics question about a simple pendulum
Hi Ozpom, The problem could be the model (perhaps the center of mass or inertia values and locations are not where you intended...

4 months ago | 0

Answered
SimMechanics Reference Frame Orientation
The orientation of a reference frame block will be relative to the frames it is attached to. If you attach it to the World Fram...

4 months ago | 0

Answered
After i import solidworks part , When i push simulation run button, there are only coordinate systems in simulation screen but there is no 3D part image . How can i show 3D part in simulation screen ?
Usually this means that the geometry file (STEP, SolidWorks, STL, etc.) is invalid. Check the diagnostics from your model to co...

4 months ago | 0

Answered
How create a model of real joint with parasitic movements in SimMechanics
It sounds like you need the movement along one axis to affect the stiffness and damping along another axis. If that is the case...

4 months ago | 0

Answered
how to make a stereo video in matlab?
In Simscape Multibody, you can generate videos from different viewpoints for the same simulation results. You can define two (o...

4 months ago | 0

Answered
How to scale up the motion in Simmechanics visualization window?
Hi David, What is shown in the Mechanics Explorer is the exact representation of what happened in your physical system. If you...

4 months ago | 0

Answered
Is it possible to model a ball and wheel system using SimMechanics?
You can do this in Simscape Multibody in a couple of ways. If you can assume that the ball will not slip, you could connect the...

4 months ago | 0

Answered
Editing geometry imported from SolidWorks to Simmechanics
You have a few options here, but they will all involve a bit of programming. In all options, you will need to identify the para...

4 months ago | 0

Answered
How I can simulate a wire rope for block pulley (winch )of crane in Simmechanics 2G , and after to see in Mechanical Explorer ?
We have a number of examples with cables and pulleys. Take a look at example Tower Crane with Trolley and Hoist. https://w...

4 months ago | 0

Answered
animation of a body
If you want to animate the force on the fingertip, you can use a Variable Solid whose length is defined by the magnitude of the ...

4 months ago | 0

Answered
Revolute Joint Definition in Multi Body Simulation
If you want the other leg to remain vertical, you will need to specify the joint targets between the 6-DOF joint for the other l...

4 months ago | 0

Answered
How to do Four Bar Mechanism
Sure! Derive the equations and program it in MATLAB or Simulink. --Steve

4 months ago | 0

Answered
missing example for simmechanics 2nd G. Cannot find ''double wishbone suspension'' example.
Hi B - I think that example was added in a later release. --Steve

4 months ago | 0

Answered
How do I drive a motor backwards in simulink?
Yes! In Simulink you can model this type of logic using a state machine in Stateflow, or simple if/then logic using Simulink bl...

4 months ago | 0

Answered
Controlling motion of a solid
Hi Travis, It looks close! If you apply a torque to the cylindrical joint, you can get it to spin, and for the oscillations you...

4 months ago | 0

Answered
Units in Matlab Model
Hi Daniel, The dropdown menus in Simscape permit you to specify units of the parameters. You can create your own unit combinat...

4 months ago | 0

Answered
How can I get the global centre of masse of a machine
The best way to get this answer would be to use the Inertia Sensor block added in R2019b. If that is not an option, you could s...

4 months ago | 0

Answered
How i can save in .XML
Hi Alex, Once the plug-in has been enabled, the option to export to Simscape Multibody will only appear if you have opened an a...

4 months ago | 0

Answered
How can i limit my joint blocks or certain distances?
Hi Julia, In Simscape Multibody you can limit the range of travel of a joint using joint limits. A spring-damper force becomes...

4 months ago | 0

Answered
How to run a Simulink example by not going through the whole coded tutorial? (mech_motorcycle_stability)
Hi Nicholas, The lines of code you have copy/pasted have a typo in them. It should be mech_motorcycle_data, not motorcycle_d...

4 months ago | 0

Answered
How to align two frame axes on Simscape, without connecting the solids
Hi Vincent, The joint combination of 3 parallel (Cylindrical - Telescopic) doesn't seem like a useful combination to me. I sus...

4 months ago | 0

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