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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...

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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...

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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...

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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...

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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. ...

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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. ...

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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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 ...

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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...

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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...

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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 ...

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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 ...

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Ejector (2P)
Hi Hussein, Sounds complicated :p This reminds me of certain design of flash tank or economizer design I saw in some multi-sta...

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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...

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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,...

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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...

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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 ...

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LNG liquid to gas phase change simulation Simscape
Hi @Anil I suggest that you try something like this: Model the LNG and its evaporization in the 2P domain. The Receiver Acc...

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What is my fault to this modelling? I want to move the model but I am not able to solve the faults.
Follow the instructions in the error message. Use the Simulink-PS Converter to provide derivatives. The time constant will c...

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Modelling the sublimation of dry ice
Hi @Kyle, Interesting problem. I would approach it from the angle of convervation of energy and mass. Assuming the dry ice st...

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How to model a piston with a retracting spring at one end and having single hydraulic port??
Something like this should work. It's important to pay attention to a few things when setting up this model: (1) area of the...

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Implementing Process Control for Heat Exchanger Networks in MATLAB
For the physical plant, for instances heat exchangers, pipes, valves, pumps, etc., I suggest that you look into Simscape and Sim...

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Lead screw driven by a revolute joint in Simscape Multibody: How can I set a slider displacement to be proportional to the revolute joint angle?
Hi @mhaz, I think it would make more sense to move the revolute joint to be in series with the prismatic joint. See below. ...

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