Answered
Simscape Fluids model of closed system
Hi Jeremy, Looks to me like an initialization issue. I don't have R2020b on my computer so I tried this on R2021b, the oldest ...

1 year ago | 0

Answered
How to make a revolute joint turn in one direction in Simscape?
There may be better solutions, but just some ideas. If you have access to Simscape Driveline, there is a one-way clutch (Unid...

1 year ago | 0

Answered
Pressure drop of a two-phase fluid pipeline in simscape
You can view the Simscape code of the Pipe (2P) block, save a copy, and modify it to use a custom correlation if you like. Find...

1 year ago | 0

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Answered
Can "pipe(G)" block be used to model forced air convection?
I think it's possible. The combination of cross section and hydraulic diameter will give you a circumference; that multiplied b...

1 year ago | 0

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Answered
HOW CAN I TURN AN EQUATION INTO COMPONENT IN A LIBRARY?
Hi Usha, In addition to Ayush's answer, I suggest that you look at the source code of a translational spring block. You custom...

1 year ago | 1

Answered
How does simscape caculate the hydraulic pressure?
The pump blocks in Simscape Fluids models the flow rate at different pressure difference and speed, but themselves are "volume-l...

1 year ago | 0

Answered
state flow入门之旅中的诸多疑问
应该是workspace的问题，红色阴影表示有缺失的参数值。Simulink模型的参数可能在 Base Workspace, Model Workspace 或者是 mask local workspace (你这里不会是最后这个情况)，可以参考这个文档：...

1 year ago | 0

Answered
Use Simscape parameter as variable in Simulink model
If it's in the Simscape Results Explorer, you should be able to use a Probe block to make it available during simulation as a Si...

1 year ago | 0

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Using the TL-2P heat exchanger in simscape to simulate an external threaded tube heat exchanger
The way you set up the heat exchanger looks promising to me. I would use the Parameter Estimator App (Documentation) to estimat...

1 year ago | 0

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Answered
why are the results different from moist air domain(MA) using only dry air and gas domain(G)? - simscape
Hello, Given the range of temperature you'd like to implement, I believe you are seeing the difference in the way the specific ...

1 year ago | 1

Answered
The sum of the 2 branches flow is different than pump flow
Hi Flavio, I looked at the model and below are my observations. the parameters and inputs for the pump look ridiculous: at 1m^...

1 year ago | 2

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Answered
Simscape 4-Way 3-Position Directional Valve (IL) No "Fluids/Plot Valve Characteristics" Option
See the comment section for the discussion. Issue resolved (by itself) as of now.

1 year ago | 0

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Pipe (TL) fluid compressibility problem
See this related question for a more detailed discussion: https://www.mathworks.com/matlabcentral/answers/2111661-rservoir-tl

1 year ago | 0

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Answered
Rservoir (TL)
Hi Karim, I did a few things that feel like best practices to me: (1) add a Tank (TL) block to where the reservoir was. Pleas...

1 year ago | 0

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Answered
Heat Exchanger (TL-TL) breaking thermodynamics?!
This shouldn't happen for parallel-flow heat exchangers, because of 2nd law of thermo-dynamics. But this may happen for counter...

2 years ago | 1

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hydraulic circle for fire suppression system clean agent
Hi Albara, It will be helpful if you could provide some schematic to show the interior of the agent tank so we can understand t...

2 years ago | 0

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Simscape Gas Inertia block
Hi Caleb, "Fluid inertia is negligible." is one of the model assumption of the Pipe (G) block. You may be able to modify the c...

2 years ago | 0

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Simscape fixed displacement pump pressure gain wrong?
Hi Sandro, one quick thing to fix: you need another reservoir at port B, otherwise the fluid has nowhere to go. The reservoir a...

2 years ago | 0

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Modeling a pressurized flexible body (balloon) in simscape multibody/fluids
Hi Siril, I feel the problem may be way more complicated than just "the two open red open wires". To model this pressurized fl...

2 years ago | 0

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Answered
Isothermal Fluids Pump/Motor Case Drain
Hi Philip, I feel the way you model it is very reasonable. Adding an small orifice or check valve mimics what happens in real ...

2 years ago | 0

Answered
Changing Thermal Liquid Properties in Simscape
If you'd like to manually set the properties like density, Cp, etc., the right block to use is "Thermal Liquid Settings (TL)" fr...

2 years ago | 0

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Failed to increase pressure of a system with an actuator. Whats wrong?
It looks like that you would like to move the piston & mass so the pressure in Chamber A of the actuator will increase and you a...

2 years ago | 0

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Answered
Simscape piston moves without pressure difference
You don't need a force to keep a mass moving at constant velocity, as the acceleration is zero and F=m*a. When I add a damper...

2 years ago | 0

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Answered
Simscape pipe cleaning model - cleaning used pipe's interior surface with different fluid
It's possible to model a "solution", i.e. thermal liquid + passive scalar(s), using a quick-and-dirty way or a more formal one. ...

2 years ago | 0

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simulation of a gas network node
It should be quite straightforward to build something like this: Just like how you draw that on paper. Simscape Onramp can b...

2 years ago | 1

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What is the mistake in the simulation, if the transient initialization at time x, solving for consistent states and modes, failed to converge?
Hi Emefun, It looks like the piston side of your hydraulic cylinder doesn't have any mass. Adding a mass block to the rod allo...

2 years ago | 1

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Answered
False Results SIMSCAPE Pipe Block for cooling air stream
Hi Bastian, It sounds like in the simulation, the air stream is taking away less heat than in the test, resulting in a higher e...

2 years ago | 0

Answered
Li-ion battery pack cooling using Phase changing material
Hi Chinmaya, This will involve some customization in Simscape language. The simpliest implementation is to make a custom block...

2 years ago | 0

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Simscape: Fan (MA) behavior with higher external flow
Hi Fabian, Check out this example: https://www.mathworks.com/help/hydro/ug/sscfluids_ev_thermal_management.html In the radiato...

2 years ago | 0

Answered
Temperature varying input for reservoir in refrigeration cycle
Use a Controlled Reservoir (MA) block. https://www.mathworks.com/help/releases/R2023b/simscape/ref/controlledreservoirma.html ...

2 years ago | 0