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Yifeng Tang

MathWorks

Last seen: 3 days ago Active since 2020

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Programming Languages:
Python, MATLAB, Fortran
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English, Chinese
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Physical Modeling, Simscape, Simscape Fluids, Heat and Mass Transfer, Thermodynamics and Heat Transfer

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Answered
Simscape Fluids: Modeling elevation differences and volume limits in Tank (TL) blocks
The Pipe (TL) from Simscape Fluids, not the foundation library, allows you to specify elevation change. There is also a partiall...

3 days ago | 2

| accepted

Answered
Inconsistent pressure, enthalpy and entropy from thermodynamic properties sensor and pressure sensor compared with CoolProp
Hi Matthew, I did a parameter sweep to compare the properties from the built-in Two-Phase Fluids Properties for R410A and those...

21 days ago | 1

Answered
Modeling Ceramic Drying: Coupling Simscape Thermal with Simulink Moisture Dynamics and Latent Heat
I think the way you suggested that "using a Heat Flow Rate Source ... to represent latent heat cooling in Simscape Thermal" is r...

1 month ago | 0

Answered
Matlab R2025b Simscape Hydraulic Library Not Accessible?
As of R2025b, the hydraulic library won't appear in Library Browser. You can still open models that uses the hydraulic library....

1 month ago | 2

| accepted

Answered
The mathematical model of contact force of "spatial contact force block". Mathematical expressions of the "The effective coefficient of friction" and " smoothing function"
Hi @areftr I'm moving the "comment" here ... for your original question: I'm not sure, but I have a (good?) guess. There is...

2 months ago | 0

Answered
How to use Mechanics Explorer with parsim?
Hi @Matthew, There is a workaround. It's orginally developed to allow animation from multibody model executed on realtime targ...

3 months ago | 0

| accepted

Answered
Matlab的离线使用
打电话/写邮件 给客服或者负责你们的销售代表,他们应该会帮你解决的。

4 months ago | 0

Answered
How can I model a fluid collection pan in SimScape, where spilled or sprayed fluid is gathered in a collection volume and then pumped into the system using an intake component
A few things I modified: (1) initial conditions of the two tank. the initial level was left "gray", i.e. default, but the defa...

4 months ago | 0

| accepted

Answered
I wanna create a diesel generator in Simulink ,but I dont know its sturcture,how can i learn it ?and if you have a Simulink model ,can u share it?Thanks
Do you have access to Simscape, Simscape Electrical and Simscape Driveline? I think you may breakdown a diesel generator as a d...

5 months ago | 0

| accepted

Answered
Simscape Fluids - hydraulic cylinder with inlet port above fluid level
Hi @Joseph van 't Hoff, Here is an idea. Looks like your model needs to be able to do (at least) 3 things: (1) pull in liquid ...

5 months ago | 0

Answered
Can I modify gas ejector block to work in this cycle?
Hi @Paulina, I like your idea of trying to use library block as much as possible, in this case the Ejector (G) block. I think ...

5 months ago | 0

Answered
How can i imply multiple different temperatures to my control circuit in Simulink? (+Feedforward)
This sounds like a typical application area for Simscape, the physical modeling tool inside Simulink. The Gas or Moist Air doma...

5 months ago | 1

Answered
How to customize the mixed refrigerant in Simscape
Check out the answer in this post: https://www.mathworks.com/matlabcentral/answers/2181247-simscape-create-a-new-two-phase-fluid...

5 months ago | 0

Answered
How to programmatically distinguish the port's domain for a simscape block? Like a connection belonging to foundation.electrical.electrical or physical signal?
https://www.mathworks.com/help/releases/R2025a/simscape/ref/simscape.connection.connectionportproperties.html ports = simscape....

5 months ago | 0

Answered
[Simscape] Create a new two-phase fluid as a combination of two existing fluid types
Hi @Netzahualcoyotl, I think it's possible. I just created a R-1234yf/R-134a 50/50 mixture in REFPROP, saved it as "newMixture...

5 months ago | 1

Answered
matlab里面没有Specialized Power Systems
https://www.mathworks.com/matlabcentral/answers/2180147-unable-to-find-the-specialized-power-systems-group-in-simscape-electrica...

6 months ago | 1

Answered
Orifice (TL) temperature-dependent parameterization
I can see two ways to move forward. One relies nearly solely on test data and the other incorporating more physical insights bu...

6 months ago | 0

| accepted

Answered
The 'Evaluate' attribute is not valid - Simscape masking
Hi @Bart Peremans, Here are more details on the idea I mentioned. I suggest that you look into making a composite component us...

6 months ago | 0

Answered
Model Perfectly conducting fluid pipe simscape
Use a Constant Volume Chamber of represent to coolant volume in your radiator. Connect a thermal resistance block to the H port...

6 months ago | 1

Answered
Can the points of a Simscape Point Cloud be exported for use in another block?
I hope I understood your goal correctly: you want to be able to implement a custom set of equations inside the "Spatial Contact ...

6 months ago | 0

Answered
HPPC参数估计
This documentation page may be useful https://www.mathworks.com/help/simscape-battery/ug/hppc-parameter-estimation-workflow.htm...

7 months ago | 0

Answered
How to distinguish two trace gases in a moist flow network in Simulink?
Hi @Vidyadhar, Trace gas source only add, as the name suggests, the trace gas. It won't add any dry air. To add dry air, the ...

7 months ago | 1

Answered
How to model a vertically mounted gas-sprung hydraulic height-controlled piston in Simscape?
Something similar to this should work: Be careful with the direction of the force and motion though. Pointing up to down on ...

7 months ago | 0

| accepted

Answered
How to call the thermal liquid T-junction component in the simscape code?
Hi @Yingxuan, Here is a method that will work with any block in the Add-On libraries. The key idea is to use the subsystem2ssc...

7 months ago | 1

| accepted

Answered
Representing an orifice whose length is greater than the orifice diamter using Simscape Fluids (IL)
Hi @ty, I agree with what @Chuguang Pan has discussed: the Pipe (IL) block and the Orifice (IL) block can be useful here. Anot...

8 months ago | 2

Answered
Building and Embedding a Reduced Order Model in National Instruments Hardware (cRIO)
Given the dynamic nature (I think) of your system model, I wonder whether you could make use of the Reduced Order Modeler app: h...

8 months ago | 0

Answered
Create Simscape protected or pre-compiled model for users who don't have Simscape licenses
I don't think Model reference, protected or not, will allow the user to run without Simscape. Do you have the licenses needed t...

8 months ago | 0

Answered
How to reset the temperature of a Simscape Thermal Mass block at a specific time?
Hi @Alexander Maybe this setup will do what you want. I attached a proof-of-concept model. A thermal mass is heated by a heat ...

8 months ago | 0

Answered
如何在simscape里构建蒸发式冷凝器,这涉及到传热与传质的过程
Hello 忠宇, I'd like to revisit this question. While I don't think there is a new block for this evaporative condenser you want,...

8 months ago | 1

Answered
Can ode15i solve a stiff DAE?
I would suggest that you try ode15s or ode23t instead. While ode15i, being an implict solver, may work well with stiff system o...

8 months ago | 0

| accepted

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