쉐도잉 연습: Transient Thermal Analysis in ANSYS AIM - 영상으로 영어 말하기 배우기

레슨 만드는 중...
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Hello and welcome to this demonstration of ANSYS AIM.
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Today we will be performing a transient thermal analysis of a frying pan that is heated on a stove with natural convection.
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The heat flow into the pan will be 250 watts,
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with a convection coefficient of 20 watts per meter squared degrees Celsius which will act as the natural convection of the pan.
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We want to find out is the time it takes for the max temperature to reach 100 degrees Celsius
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and approximately when steady state is reached.
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With AIM pulled up, we will now begin our analysis.
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We will do a transient thermal analysis and to do this, We will select the simulation process template, thermal.
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AIM will now start creating the template To do so, we first will need to import existing geometry.
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We'll uncheck the allow model editing because we won't need that.
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And then since we're doing a transient analysis, we want to do a time -dependent calculation type.
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Since there is only one part to our analysis, we will turn off detect contact automatically as well.
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With all these options selected, we are now ready to create the simulation process.
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AIM is now asking us to select the geometry.
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We'll select the geometry up here, frying pan, and then select open.
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Now that we have our geometry imported, we'll want to select our unit system.
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I'll go up into the Project menu, go down to Units, and select the metric system.
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Next, we will go to meshing.
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I'll go ahead and click on "Mesh" in the simulation process data panel.
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we can use predefined settings But let's go down into the global sizing.
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I'm going to set it to curvature which will help with meshing for circular geometry.
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For instance, these fillet radii on my frying pan.
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I'll now go ahead and push the blue lightning bolt, which will update and start generating my mesh.
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Now that the mesh is finished, you can see that Along those curvatures, the mesh is more refined.
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This is to better capture that geometry.
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Thank you.
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Next, we will want to set up our boundary conditions or thermal conditions for our analysis.
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we'll go down to the View panel and click on the Physics tab.
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Thank you.
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From here, We can go up into the Physics Data panel And set our Analysis settings.
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We are performing a time -dependent analysis, which means a transient thermal analysis, For duration, I'll go ahead and type in about 30 minutes.
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That should give us plenty of time to see when steady state will occur.
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That's 1800 seconds.
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Thank you.
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Our physics region is our pan, which is already being defined, Now we will need to define our material assignments.
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I'll click on material assignments.
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And currently it's set to structural steel.
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I actually want to set it to cast iron.
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I can either type in cast iron or I can go find it in the list here.
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I'll select cast iron.
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and that will apply that material property to my frying pan.
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If I want to see or check on the material properties, I can click on this drop down arrow next to the cast iron.
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This is where I will verify my material properties.
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I'll next want to go back to the Physics tab.
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and continue down the list of items that I need.
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Next, I'll be adding my thermal boundary conditions.
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So I can click on this Add button.
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and what we want first is heat flow.
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So I'll select that.
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The HEATFO data panel Pull up.
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and it'll ask me to define a location.
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I can go and click in the box, Then since the stove top will be underneath my pan, I can select the bottom there.
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To confirm this selection, I'll hit the plus sign next to the location.
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I'll next need to define the magnitude of the heat flow.
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This will be 250 watts.
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I also want to apply convection to my model.
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so I can click "Next Step" Add.
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I go to solid thermal conditions.
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and then I'll select Convection.
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Thank you.
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So I want to basically apply my convection to everywhere else in the model except for where I applied the heat flow.
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So to do this, I can right -click, and then use the Select All feature.
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I don't want all the faces to be selected.
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So I'll go ahead and deselect the face where the heat flow is applied.
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To confirm the selection, again I'll go back up to the plus sign, and add the selected entities.
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Thank you.
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heat transfer coefficient that all apply is 20 watts per meter squared degrees Celsius.
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and then the convection temperature which is basically your environment temperature, I'll just set at room temperature, which is 22 degrees Celsius.
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I can then go back to my Physics tab, and everything else I'll leave as default.
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I'm now ready.
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to solve my analysis.
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To solve, I can right -click on this Physics tab, and select update.
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Now that the solution is done solving, I can go to my Results section.
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I'll click on the results tab.
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In the Results tab, You'll notice that there are already predefined results.
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by clicking the drop -down arrow next to the results in the data panel, I'll see that there's a contour plot here.
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This is the contour of a temperature plot.
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I can go ahead and click on that.
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and you'll notice that it says that it's out of date.
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What I want to do next is just click the lightning bolt to evaluate these results.
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I can now take a look at my contour plots.
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You can see that the maximum temperature is slightly above 150 degrees Celsius.
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One of the objects that we had in the analysis was to determine about what time
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the temperature reached above 100 degrees Celsius.
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we can click the right arrow besides the calculated maximum and choose to plot this.
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I'll go over to the chart and expand it so that it has a full window view.
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So now we can find at what point The temperature reached 100 degrees Celsius.
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We'll go over to 100 degrees Celsius and follow that datum all the way to where it crosses our curve.
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This is at about 300 seconds.
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We can also determine when our analysis reaches steady state by looking at when our temperature plot flattens out.
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This is at about 1500 seconds.
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This concludes...
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The ANSYS -AIM transient thermal analysis.
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Thank you. and goodbye.
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이 레슨의 어휘와 말하기 포인트

이 C1 수준 말하기 레슨은 영상 “Transient Thermal Analysis in ANSYS AIM”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: click, analysis, select, temperature, Celsius. 이 영상에는 섀도잉할 문장 94개와 단어 1078개가 있습니다. 말하는 구간의 길이는 8:48입니다. 화자는 분당 약 123단어의 일정한 속도로 말해서 섀도잉하기에 편한 속도입니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 79%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에서 가장 어려운 단어 15개를 발음, 뜻과 함께 정리했습니다.

단어발음뜻
mesh 명사/mɛʃ/그물
geometry 명사/d͡ʒiˈɑ.mə.tɹi/기하학
watt 명사/wɑt/와트
fry 동사/fɹaɪ/튀기다
coefficient 명사/ˌkoʊ.ɪˈfɪʃənt/계수
curvature 명사/ˈkɜɹ.və.tʃəɹ/곡률
template 명사/ˈtɛm.plɪt/템플렛, 샘플
stove 명사/stoʊv/난로, 스토브
metre 명사/ˈmiːtəɹ/미터, 메터
bolt 명사/boʊlt/볼트
calculation 명사/ˌkælkjuˈleɪʃn̩/계산
radius 명사/ˈɹeɪ.di.əs/노뼈, 요골
calculate 동사/ˈkælkjʊleɪt/정산하다, 계산하다
evaluate 동사/ɪˈvaljʊeɪt/평가하다
detect 동사/dɪˈtɛkt/찾다, 탐지하다

영상에 나오는 구동사

단어뜻
turn off 동사끄다, 턴오프하다

따라 말해 볼 만한 문장

영상에 나오는 짧고 완결된 문장으로, 일상 대화에서 그대로 쓸 수 있습니다:

  • Next, I'll be adding my thermal boundary conditions.
  • I don't want all the faces to be selected.
  • I'll click on the results tab.

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형영상 속 표현
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점is heated · is reached · is finished
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보Celsius which will · curvature which will · bolt, which will

주의할 발음

화자는 I'll, we'll, I'm 같은 축약형과 약화된 형태를 32번 사용합니다. 들리는 대로 짧게 발음하세요.

  • “th” 소리: thermal /ˈθɜːməl/, underneath /ˌʌndɚˈniθ/
  • “sh”와 “zh” 소리: convection /kənˈvɛkʃən/, mesh /mɛʃ/, transient /ˈtɹæn.ʃənt/, simulation /ˌsɪm.jəˈleɪ.ʃn̩/, coefficient /ˌkoʊ.ɪˈfɪʃənt/
  • 긴 단어 — 강세 위치에 주의: geometry /d͡ʒiˈɑ.mə.tɹi/, coefficient /ˌkoʊ.ɪˈfɪʃənt/, demonstration /dɛmənˈstɹeɪʃən/

한국어 화자가 어려워하는 소리:

  • /f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: fry /fɹaɪ/, coefficient /ˌkoʊ.ɪˈfɪʃənt/, fillet /fɪˈleɪ/, flatten /ˈflæ.tən/, refine /ɹɪˈfaɪn/
  • /v/ — ㅂ(/b/)과 구별하기: convection /kənˈvɛkʃən/, curvature /ˈkɜɹ.və.tʃəɹ/, stove /stoʊv/, verify /ˈvɛɹɪfaɪ/, evaluate /ɪˈvaljʊeɪt/

이 영상으로 연습하는 방법

  1. 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
  2. 보통 속도로 한 문장씩 섀도잉하고, 화자의 리듬과 맞을 때까지 반복합니다.
  3. 자신의 목소리를 녹음해 원본과 비교하고, mesh, geometry, watt 같은 단어에 특히 주의합니다.

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

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