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Hydraulic circuit between two pressure sources

The pressure sensor you have there blocks the flow totally, lol. It's like voltmeter where no current is let through. Usually ...

Hydraulic circuit between two pressure sources

The pressure sensor you have there blocks the flow totally, lol. It's like voltmeter where no current is let through. Usually ...

5 Monate vor | 0

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How to solve unconverged equations error ?

My experience: this typically happens when the piston moves while flow is constricted in the expanding chamber of the cylinder. ...

How to solve unconverged equations error ?

My experience: this typically happens when the piston moves while flow is constricted in the expanding chamber of the cylinder. ...

5 Monate vor | 0

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Adjust a Pressure Reducing Valve?

I am guessing, you are trying to build a valve block that will achieve any given pressure at its outlet? I think the best way t...

Adjust a Pressure Reducing Valve?

I am guessing, you are trying to build a valve block that will achieve any given pressure at its outlet? I think the best way t...

5 Monate vor | 0

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How does the Gate Valve (TL) block utilize "Cross-sectional area at ports A and B" and "Characteristic longitudinal length"?

In the latest version (R2022a), this characteristic length isn't a parameter anymore. In an earlier version (R2020b), I couldn'...

How does the Gate Valve (TL) block utilize "Cross-sectional area at ports A and B" and "Characteristic longitudinal length"?

In the latest version (R2022a), this characteristic length isn't a parameter anymore. In an earlier version (R2020b), I couldn'...

5 Monate vor | 0

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Simscape simulation of Hydraulic/Gas chamber

Maybe this will work: Use the TL-G tank and the insulators you mentioned. It should be able to do 1-4 and 6 of your requirement...

Simscape simulation of Hydraulic/Gas chamber

Maybe this will work: Use the TL-G tank and the insulators you mentioned. It should be able to do 1-4 and 6 of your requirement...

5 Monate vor | 0

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Simscape Fluids Valve models: Do they exhibit non-linearity too?

The Simscape valve components uses the spool position signal at the S port to determine the orifice areas (or dP-Q relationships...

Simscape Fluids Valve models: Do they exhibit non-linearity too?

The Simscape valve components uses the spool position signal at the S port to determine the orifice areas (or dP-Q relationships...

5 Monate vor | 0

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Simulink/Simscape Model Interogation

Hi Brett, I think we have discussed this during a meeting. Just put some notes here so more people may benefit from your quest...

Simulink/Simscape Model Interogation

Hi Brett, I think we have discussed this during a meeting. Just put some notes here so more people may benefit from your quest...

5 Monate vor | 0

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Cant implement the heat exchanger (simscape library) in an existing simulink model

You probably need a few (Controlled) Reservoir (TL)blocks to prescribe the pressure and temperature boundary conditions, and a C...

Cant implement the heat exchanger (simscape library) in an existing simulink model

You probably need a few (Controlled) Reservoir (TL)blocks to prescribe the pressure and temperature boundary conditions, and a C...

5 Monate vor | 0

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Simulink Thermal Hydraulic systems specify elevation

I would recommend that you try the Tank (TL) and Pipe (TL) from the Simscape Fluids library. Both allow you to specify an eleva...

Simulink Thermal Hydraulic systems specify elevation

I would recommend that you try the Tank (TL) and Pipe (TL) from the Simscape Fluids library. Both allow you to specify an eleva...

5 Monate vor | 0

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Customized Simscape convective heat transfer component not working

Hi Roland, I believe you are missing one equation to define how Q is related to the heat flow through the ports. Try adding th...

Customized Simscape convective heat transfer component not working

Hi Roland, I believe you are missing one equation to define how Q is related to the heat flow through the ports. Try adding th...

5 Monate vor | 0

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Beantwortet

Trapped air in fluid

The entrained air affects how the bulk modulus (hence also density) changes as a function of the pressure. More air will make t...

Trapped air in fluid

The entrained air affects how the bulk modulus (hence also density) changes as a function of the pressure. More air will make t...

6 Monate vor | 0

Beantwortet

Dynamic calculating of kinematic viscosity

The source code of all Simscape foundation library blocks are available, including the hydraulic domain. I can verify back to t...

Dynamic calculating of kinematic viscosity

The source code of all Simscape foundation library blocks are available, including the hydraulic domain. I can verify back to t...

6 Monate vor | 0

Beantwortet

What would be the total flow rate inside the hydraulic cylinder chamber when modeled with piston chamber and hydro-mechanical converter?

The first a few paragraphs of the documentaion pages for theTranslational Mechanical Converter (IL) and the Translational Hydro-...

What would be the total flow rate inside the hydraulic cylinder chamber when modeled with piston chamber and hydro-mechanical converter?

The first a few paragraphs of the documentaion pages for theTranslational Mechanical Converter (IL) and the Translational Hydro-...

6 Monate vor | 0

Beantwortet

How to move the rod of a cylinder?

So far, the only way in Simscape to prescribe a mechanical motion is using a velocity source, while in Simscape Multibody, the o...

How to move the rod of a cylinder?

So far, the only way in Simscape to prescribe a mechanical motion is using a velocity source, while in Simscape Multibody, the o...

6 Monate vor | 0

Beantwortet

Specific and ideal pressure and flow

In general, one cannot prescribe both the pressure at and the flow through a node at the same time. If a pressure is prescribed...

Specific and ideal pressure and flow

In general, one cannot prescribe both the pressure at and the flow through a node at the same time. If a pressure is prescribed...

6 Monate vor | 0

Beantwortet

Water supply system-Simulink

Depending on what physical domain you are thinking of, a few pipeline blocks in the Simscape Fluids library allow the modeling o...

Water supply system-Simulink

Depending on what physical domain you are thinking of, a few pipeline blocks in the Simscape Fluids library allow the modeling o...

6 Monate vor | 0

Beantwortet

How to control simscape ball valve block

Looks like an earlier version of question: https://www.mathworks.com/matlabcentral/answers/502708-control-of-ball-valve?s_tid=s...

How to control simscape ball valve block

Looks like an earlier version of question: https://www.mathworks.com/matlabcentral/answers/502708-control-of-ball-valve?s_tid=s...

6 Monate vor | 0

Beantwortet

Simscape 2P: How can I realize both varying local restriction and blocking the flow path.

Besides from my comment earlier, I've found that using a custom block of a "variable flow resistance" seems to make thing easier...

Simscape 2P: How can I realize both varying local restriction and blocking the flow path.

Besides from my comment earlier, I've found that using a custom block of a "variable flow resistance" seems to make thing easier...

6 Monate vor | 0

Beantwortet

Optimal components for a two-stage heat pump in Simscape

It puzzles me why there isn't a flow out of the BV port of the tank. There isn't a flow into BV port either? The BV port is co...

Optimal components for a two-stage heat pump in Simscape

It puzzles me why there isn't a flow out of the BV port of the tank. There isn't a flow into BV port either? The BV port is co...

6 Monate vor | 1

Beantwortet

Simscape Pipe array (many pipes in parallel)

It's possible to do it in the way you described. I attached a sample of "flow multiplier" and "thermal liquid multiplier". Dep...

Simscape Pipe array (many pipes in parallel)

It's possible to do it in the way you described. I attached a sample of "flow multiplier" and "thermal liquid multiplier". Dep...

6 Monate vor | 0

Beantwortet

how can i do two phase to thermal liquid connection?

Hi Davod, This wasn't possible until the R2021a release of Simscape Fluids. https://www.mathworks.com/help/physmod/hydro/ref/i...

how can i do two phase to thermal liquid connection?

Hi Davod, This wasn't possible until the R2021a release of Simscape Fluids. https://www.mathworks.com/help/physmod/hydro/ref/i...

6 Monate vor | 0

Beantwortet

How change simscape simulation time from seconds (sec.) to hours (h)

Just to summarize the thread of comments, so the question appears as "Answered". The easiset way is to multiply the duration of...

How change simscape simulation time from seconds (sec.) to hours (h)

Just to summarize the thread of comments, so the question appears as "Answered". The easiset way is to multiply the duration of...

6 Monate vor | 0

Beantwortet

Simscape Fluids - The best way to inputs parameters on the Displacement Pump Rexroth

Hi Diego, It's very common that the supplier doesn't provide ALL technical data. Some educated guess is often needed. The fir...

Simscape Fluids - The best way to inputs parameters on the Displacement Pump Rexroth

Hi Diego, It's very common that the supplier doesn't provide ALL technical data. Some educated guess is often needed. The fir...

6 Monate vor | 0

Beantwortet

How can i give more accurate initial conditions ?

The pump module has no input (velocity or torque) at the shaft. The system of equations is missing conditions needed to start t...

How can i give more accurate initial conditions ?

The pump module has no input (velocity or torque) at the shaft. The system of equations is missing conditions needed to start t...

6 Monate vor | 0

Beantwortet

What causes the pressure behavior in valves?

Hi Michael, I think there are a couple things at play here: First, there is currently no volume at all between the two reservo...

What causes the pressure behavior in valves?

Hi Michael, I think there are a couple things at play here: First, there is currently no volume at all between the two reservo...

6 Monate vor | 0

Beantwortet

Why the volumic flow rate sensor (motion air) is registering a negative value?

As @VBBV mentioned in the comment, switching the A/B port is likely the solution. Is this turbine block the same one as in theA...

Why the volumic flow rate sensor (motion air) is registering a negative value?

As @VBBV mentioned in the comment, switching the A/B port is likely the solution. Is this turbine block the same one as in theA...

6 Monate vor | 0

Beantwortet

Simscape fluids and Ansys CFX

Hi Federico, For the block you mentioned, tabulated data or polynomial coefficients (which will require some data fitting) are ...

Simscape fluids and Ansys CFX

Hi Federico, For the block you mentioned, tabulated data or polynomial coefficients (which will require some data fitting) are ...

6 Monate vor | 1

| akzeptiert

Beantwortet

Recursive type equation solution in simscape

Feels like you are trying to use Simscape like MATLAB :p, by considering how to use iterations to do the numerical integration. ...

Recursive type equation solution in simscape

Feels like you are trying to use Simscape like MATLAB :p, by considering how to use iterations to do the numerical integration. ...

6 Monate vor | 0

Beantwortet

air-oxygen mixing model in a continuous process

You should be able to use the Moist Air (MA)domain for such a purpose. The domain keep tracks of the concentration, mass, and e...

air-oxygen mixing model in a continuous process

You should be able to use the Moist Air (MA)domain for such a purpose. The domain keep tracks of the concentration, mass, and e...

6 Monate vor | 0

Beantwortet

Problems with Organic Rankine Cycle Simulation

If you are new to Simulink and Simscape, consider the free, interactive tutorials known as the Onramps first. Simulink Onramp: ...

Problems with Organic Rankine Cycle Simulation

If you are new to Simulink and Simscape, consider the free, interactive tutorials known as the Onramps first. Simulink Onramp: ...

6 Monate vor | 1

| akzeptiert