Community Profile

photo

Yifeng Tang

MathWorks

Last seen: 1 día ago Active since 2020

Statistics

All
  • 6 Month Streak
  • First Submission
  • GitHub Submissions Level 1
  • Knowledgeable Level 4
  • Revival Level 3
  • First Answer

View badges

Content Feed

View by

Answered
Simscape: thermal liquid pump
In newer versions of Simscape Fluids, there are more pump modules available. In general, the pump can be modeled by using look...

1 día ago | 1

Answered
Is there a simple model of temperature rise with time available for an internally heated tank losing heat to an ambient environment?
Something like this, with right parameters (which is usually the hard and time consuming part).

1 día ago | 0

Answered
Building Isothermal (SimHydraulics) parts in Thermal Fluid domain
It's six years later now lol ... There is a conversion tool for upgrading to the new Isothermal Liquid domain (NOT the one you...

1 día ago | 0

Answered
local restriction (2P)
Depending on what you mean by "a specific pressure differential": If you just want to drop/increase the pressure, regardless of...

1 día ago | 0

Answered
What controlled design suitable for my simscape block? I would like to control the speed of the hydraulic cylinder for extending and retracting motion.
First of all, this: https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fa...

1 día ago | 0

Answered
How can i parameter constant volume chamber (G) with inlets and oulets on simscape/simulink ?
Hi Lina, Simscape applies the pradigm of "acausal" modeling, meaning there is not a prescribed causality when the model is bein...

1 día ago | 0

Answered
Compatibility of ADAMS and Simulink simscape hydraulic?
Some info that may be useful for you: https://www.mathworks.com/products/connections/product_detail/adams-controls.html https:...

1 día ago | 0

Answered
How can I avoid temperature blow-up when mass-flow goes to zero in thermal circuits?
One idea you can try: instead of using a heat flow rate source at the radiator, using a temperature source intead. This would r...

1 día ago | 0

Answered
Accessing Simscape Blocks Internal States
Hi Mike, Unfortunately that would require access and modification to the source code of this block, which is not open as those ...

1 día ago | 0

Answered
ssc function vs 2 phase liquid pipe
What is "normal 2 phase liquid: Pipe(TL)"? One tool that may be helpful in such cases is the Solver Profiler. It help you ex...

1 día ago | 0

Answered
How can I use the fluid properties from Simscape Fluids in a Matlab script
Just copy the values into a MATLAB script and assign some variable names. If you didn't change the default values, the full tab...

1 día ago | 0

Answered
Temperature dependent convection in simulink
You may move convection coefficient from "parameter" into "inputs" in the source code, and save as your own Simscape component. ...

3 días ago | 0

Answered
counter current heat exchanger - pipe TL temperature difference (model.T-W.T) not accurate
Interesting point and application you described. I agree, for counter flow heat exchangers, the deltaT you get between the ther...

3 días ago | 0

Answered
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...

3 días ago | 0

Answered
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 ...

3 días ago | 0

Answered
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...

3 días ago | 0

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

3 días ago | 0

Answered
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...

3 días ago | 0

Answered
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...

8 días ago | 0

Answered
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...

8 días ago | 1

Answered
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...

8 días ago | 1

| accepted

Answered
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...

8 días ago | 0

| accepted

Answered
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)...

8 días ago | 0

Answered
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...

8 días ago | 0

Answered
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)....

8 días ago | 0

Answered
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...

8 días ago | 0

Answered
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...

10 días ago | 0

Answered
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...

10 días ago | 0

Answered
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...

10 días ago | 0

| accepted

Answered
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...

10 días ago | 0

Load more