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How to Set Initial Position for a Mass Block in Simscape?
Hi @José, In the mechanical translational domain, the domain variables are the velocity and the force. In general, the displac...

7 meses hace | 1

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Problem with two phase Fluid Tables properties for mixtures for Simscape Matlab using CoolProp
Hi Adam, I think there is path forward, but it'll require some work. The error message you and I saw was generated by the fact...

7 meses hace | 0

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How to protect a model with simscape interfaces?
Hi @Carolina, As Model Reference and Model Protection won't allow physical connection through the subsystem/model boundary, it'...

7 meses hace | 0

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How to export data logging in Simcape simulation by second?
First thing to check, whether you are limiting the number of data points to keep. I suspect so, as your tout variable has lengt...

7 meses hace | 0

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How to add functionality to simscape multibody?
Hi Mark, Simscape Multibody, unfortunately, can't be customized in the same way as other physical domains in Simscape. I would...

7 meses hace | 0

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I need help coding a custom block on Simscape
This compiled without an error component pelton_turbine % Ce composant calcule le couple généré par l'eau sur la turbine. % 🔹...

7 meses hace | 0

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In Simscape, is there an equivalent to the Two-Phase Fluid System components that support Phase-Change-Materials (solid-liquid-transition)?
Hi @Philipp, I attached a simple proof-of-concept. The mlx script add an offset to the u(T) property after T is greater than t...

8 meses hace | 0

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Orifice (2P) Parametrization and Control
Hi @Rinaldo Is S a physical signal between 0 and 1, no units (unit = 1)? S is a position input, with a length unit (m, cm, m...

8 meses hace | 0

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I have a subsystem in Simulink with LConn and RConn blocks, some from Simulink Electrical and others from Simscape. How can I retrieve their type info from MATLAB?
I think this will help: myBlock = 'example/Subsystem'; port_handles = get_param(myBlock,"PortHandles") inports = port_han...

8 meses hace | 0

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I added a constant heat flow source to the pipe but I couldn't see any temperature increase to the fluid which flows
This should work fine. This is how heat is added to the coolant in some examples in the Documentation as well, like Electric Ve...

8 meses hace | 0

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Issue with Basin Level Fluctuation After Parallelizing Cooling Towers in MATLAB Data Center Cooling Example
It looks like those two T-junctions are creating different flow resistance into the two towers. As a result, the inflow can flu...

8 meses hace | 0

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Load simulation state in Simulink Coder generated C code
Hi @Zoltán Runyó, I think it's possible to do what you are envisioning using "Simulink Parameters" in the initial conditions. ...

8 meses hace | 0

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Error in the Documentation and Modeling of the Polytropic Process in Positive Displacement Compressors
Hi @ROBERTO, This looks like an error in the documentation to me right now. I measured a few more quantities from the model. ...

8 meses hace | 0

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How can I properly include the effect of wall thermal in the geometry based Condenser Evaporator (2P-MA) block?
Hi Roberto, The R2025a release (still in pre-release as of 3/7/2025) now has wall-thermal mass as an option for several geometr...

8 meses hace | 0

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Convert a 2013a multibody model to 2022b
Looks like some of the frames need a rotation. I'm not sure about what mechanism you are trying to model, but right now, the th...

8 meses hace | 1

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How to control pressure gain and mass flow with Fixed Displacement Pump
Hi Nadir, From you model, I measured of 9.2MPa. This is consistent with the formula you showed. I believe when you put in th...

8 meses hace | 0

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How can I reduce excessive bouncing in my small quadruped Simulink model using Spatial Contact Force settings while joints run in position mode?
I use the following guideline when parametrizing "hard-stop" in hydraulic components (like a cylinder). You may find this simil...

8 meses hace | 0

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Modelling multistage expansion of compressed air in a single cylinder engine
Hi @Kyle I feel like the model should look similar to that diagram you have. Single-cylinder engines can be modeled using a Me...

8 meses hace | 0

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Are gas properties for common gasses (i.e. oxygen, nitrogen, CO2) defined anywhere for use in Simscape?
REFPROP and CoolProp will be the best path forward. I'm not aware of such a library in Simscape. If you are working with N2, O2...

8 meses hace | 0

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Linking Mechanical and Hydraulic System Model in SIMSCAP MATLAB
The Translational Multibody Interface was first available in R2021a. Prior to that, such interface can be doen using force sens...

8 meses hace | 0

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Adding input for valid parameter in Simscape block
Hi @Florian, I think it's possible. The Simscape code of this block is visible. You may find it in the Description tab of the...

8 meses hace | 0

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Modelling a Dehumidifier with Simscape Fluids System Level Heat Exchanger(TL-MA) not possible?
The error is complaining that the parameters you've set don't make sense :p For example, you've set the operation condition to ...

8 meses hace | 1

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On how to use the Two-Way Connection Block
Hi @CAME, I've seen this in earlier version of Powertrain Blockset examples. I took some snapshot from this "Conventional Vehi...

9 meses hace | 0

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Model leaks in tanks and valves in a gas SIMULINK system
(Moved to Answer from Comments) It sounds like you have some values as a "standard" leak rate, is that right? I would assume y...

9 meses hace | 0

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Bonjour, je souhaite modéliser un piston et j'ai une erreur. Merci
In your model, the B & F ports of the prismatic joint is connected to the B & F port of a rigid transform block. This will fix ...

9 meses hace | 0

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PEM fuel cell heat management
Looks like it should be instead. Would you agree? I checked the source code and the power dissipation term is calculated as ...

9 meses hace | 1

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Can't seem to get both motion/speed sensor and torque sensor to read at the same time.
I tried a simple model on my end. You'll get reading from both if you add an inertia or damper to the R port of the motor. Oth...

9 meses hace | 0

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Trace Gas Removal Loop
Hi Ryan, The logic you have in mind is likely to trigger lots of zero-crossing/chattering, and as @Walter Roberson pointed out,...

9 meses hace | 1

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How to model Concave Hull Contact Force in Simulink Simscape
For a generic solid, Multibody only support exporting the Convex Hull for contact modeling (as of R2025a). So that quarter pipe...

9 meses hace | 0

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how to understand and combine simscape pump performance curves
I can try to help on the "Plotting on the Same Graph" part. Once you generate this figure from the pump block, you can use the ...

10 meses hace | 0

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