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4 way directional control valve port dimensions
The hydrostatic pressure does acts on such an area AND it only acts on the fluids. No pipe wall or any solid part is experienc...

más de 3 años hace | 0

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What do the simscape plugins have that simscape itself doesn't have?
Simscape Electrical, Driveline, and Fluids use the same physical domains in the Simscape foundation library, but with many more ...

más de 3 años hace | 0

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Extracting the intermediate solution variables in simscape
Two quick ways I can think of: Add a variable. In equations, add "new_var == intermediate_var;". Move code out of "let ... in...

más de 3 años hace | 0

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Connect Multiple Constant Volume Chambers.
Conneting ports of multiple constant volume chambers is DIFFERENT than connecting say multiple pipes to a same point. Connectin...

más de 3 años hace | 0

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use of fluid property tables generated with twoPhaseFluidTables directly in Matlab
Yes, it's possible. The properties you get in the data struct are either functions of pressure, or functions of pressure and no...

más de 3 años hace | 1

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I want to model a gas flow in a pipe with 3 modes of Heat transfer using SIMSCAPE. How do I model the effective heat transfer?
The way the temperature sensor is placed in this model will make the heat flux to the ambient always ZERO. The temperature sens...

más de 3 años hace | 0

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Parametric Study with Simscape
In the Simscape block, you can use a MATLAB variable as the parameter. You can then change the value in that variable each time...

más de 3 años hace | 1

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how to simultaneously define mass flow, temperature and pressure of a waste heat source in Simscape?
You may use a controlled reservoir and a controlled mass flow rate source to get the temperature and flow rate you want, as a fu...

más de 3 años hace | 1

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How can I model the openeing of a 2-Way Directional Valve by different percentages?
The way valves are modeled in the fluids domains is that it translates a spool position (S port input) to an orifice opening siz...

más de 3 años hace | 0

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How can I set up the lookup table for a 2-way directional valve?
Regarding the error message in you comment: ['Trial/2-Way Directional Valve (IL)']: Size of Volumetric flow rate table, q(s,dp)...

más de 3 años hace | 0

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How can I put the parameters of the 3-zone pipe (2P) model as a function?
Ideally, you would modify the source code of this block to implement such functions. However, the source code of 3-zone pipe is...

más de 3 años hace | 0

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Gradual area change (gradual contraction). Pressure loss
This correction factor is a parameter you may use to correlate the results from this block to the reference data (if available)....

más de 3 años hace | 0

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modeling thermal liquid system
Moving Barry Flannery's comment on 1 Feb 2016 to the Answer: Hi Vance, If you look at the bottom of the page there are two h...

más de 3 años hace | 0

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Modelling a proportional pressure reducing valve in SimHydraulics
From ~10 years later ... The pressure feed can be included by using a hydraulic cylinder to model the force balance on the spo...

más de 3 años hace | 0

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Exit pressure of a choked nozzle in Simscape
Sounds like you are just trying to set an outlet boundary reservior with pressure of atm or 0.528*P0. Not sure if this will wor...

más de 3 años hace | 0

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Insufficient information in datasheets referred by pre-parametrized Valves in Simscape Fluids (Isothermal Liquid)
These parameters for the pre-parametrized valves are found based on the information available in the datasheets. I've found tha...

más de 3 años hace | 0

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How do I change the mask appeareance of a simscape blocks, such as Variable Orifice block?
As Raju commented, the icons for library blocks are in control of the developer. In recent versions of Simscape, there is usual...

más de 3 años hace | 0

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How to perform step by step predictive Maintenance using Digital Twins (On MATLAB)
Hi Kevin, I'd like to point you to this example: https://www.mathworks.com/company/newsletters/articles/predictive-maintenance...

más de 3 años hace | 0

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Modeling electrolyte solution in simscape
Hi Jacob, You are correct: the thermal liquid domain will not allow you to keep track of the concentration. Two potential solut...

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Simscape PreCopyFcn prevents simulation running when in referenced model
Attempt to answer from 10 years later ... lol. It sounds to me that it's a feature of Simscape and its Add-On libraries working...

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How to set the parameters for customized directional control valve (moog-D661)
Answer from 10+ years later, lol. You may "manually" model any directional valves by using variable orifices and look-up tables...

más de 3 años hace | 0

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How to find Viscoelastic process time constant
I don't think the library blocks allow you to change the pipe diameter (hence volume) as a function of the pressure. You may ne...

más de 3 años hace | 0

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How to implement a fluid pressure transducer in a model
I assume you are referring to this Pressure Transducer block in Simscape Electrical. You connect the A port to the location you...

más de 3 años hace | 0

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Simscape Two phase domain - concepts and logic
The general principles of the two-phase domain are conservation of mass, momentum, and energy, just like the gas, moist-air, and...

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Modelling shell and tube heat exchanger
If you are trying to model the heat exchanger using the blocks only from the foundation library, you may will need to modify the...

más de 3 años hace | 0

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Is the two-phase heat transfer in the Simscape pipe based on a moving-boundary or finite-volume model?
The Pipe (2P) block is modeled using a "lumped"-parameter approach. Most of Simscape foundation blocks are modeled as a "lumped...

más de 3 años hace | 0

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Simulating a Constant Pressure Heat Exchanger
Why won't a constant volume chamber work? Is that because the inlet and outlet flow may be different instantaneously and the li...

más de 3 años hace | 0

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supply variable efficiency map to a hydraulic pump
In newer versions of Simscape Fluids, the fixed-displacement pumps allow lookup tables as inputs to specify the efficiency as a ...

más de 3 años hace | 0

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Natural gas consumption forecasting
I feel like ARIMA (https://en.wikipedia.org/wiki/Autoregressive_integrated_moving_average) may be a suitable tool/model for this...

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How can I solve my iteration problem
By galancing the equations you have in the iteration, looks like this is a highly nonlinear problem. The simple "replacement" i...

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