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Considering the production of DM in another galaxy, how can I calculate "Dark Matter density" there (e.g., at special redshift)?

Calculating Dark Matter density in other galaxies rather than Milky Way

06 September 2023 1,579 0 View

How to do geometry constraints in Molpro?

Dear all How is it possible to keep an angle or a bond constant during geometry optimization in Molpro Quantum Chemistry Software? I have tried what is listed in the manual with no success. many...

06 September 2023 10,113 0 View

How to model pipe elbows using shell element in sap2000?

Hello, I'm trying to model my pipe elbows using a shell element in sap2000, in order to capture the ovalisation effect. I drew the pipes using the frame element with a pipe section therefore it's...

04 September 2023 1,071 3 View

Are clouds more likely to form during the day or at night with mountain valley breezes and what is the direction of wind in winter season?

03 September 2023 4,702 5 View

If computing power is further improved, can computer vision achieve the 'emergent capability' of ChatGPT?

03 September 2023 9,615 3 View

What is Helicity in High Harmonic Generation?

If someone can help me understand Helicity in the context of the High Harmonic Generation, it will be helpful. Due to mathematical notations, the exact question can be found...

31 August 2023 7,392 1 View

Thickness of strain hardening layers obtained by machining?

In machining, what would be the way to obtain deeper plastically deformed surface layers depending on the geometry of the cutting tool? What material would help to obtain deeper layers?

30 August 2023 8,644 8 View

Why don't we use Aluminium based metallization on Silicon Heterojunction solar cells?

I've been researching about SHJ structure and couldn't find the reason. Is someone know?

29 August 2023 8,151 2 View

Contribution of Co-operatives for Local Economic Development?

Co-operative are important part in developed and developing countries trades. Including the finacial copperatives (Credit Unions), Coops play an important role on their members economic...

29 August 2023 3,149 4 View

What are the challenges that affects during doing a research?

time, lack of computer, laptop, desk top etc..

29 August 2023 549 2 View

IPA or thematic analysis?

For my master thesis, I'm starting a research about siblings of adults with intellectual disabilities that live in a residential facility. My research is about how the siblings experience having a...

25 August 2023 3,773 2 View

What would happen if the population of one species is affected and what happens if the population of a species is greater than its carrying capacity?

23 August 2023 7,198 0 View

What is use of extensometer in lcf test?

the purpose of extensometer in low cycle fatigue test

21 August 2023 5,352 1 View

How can ABM be effectively applied to understand and analyze complex, self-organized, and emergent behaviors in various systems?

How can agent-based modeling and simulation (ABM) be used to understand complex systems, particularly focusing on the concepts of self-organization and emergence?

18 August 2023 9,812 10 View

How to model pile in PLAXIS 3D?

While assigning the material to pile after creating surface and extrude option, the material is being shown assigned. But during the calculation stage it is non getting reflected.

17 August 2023 7,694 1 View

No matching element type was found for property set. Error in msc patran?

Hello, I am trying to do a flutter analysis in msc patran with msc nastran I started doing a modal analysis of my model, so I constructed a plate model in the structural part, constructed a...

14 August 2023 8,321 0 View

B-Scan solution?

The optimal distance between source and receiver for detecting laser ultrasonic reflections from delamination was determined. Time of flights (TOF) was estimated for shear wave. Could you please...

13 August 2023 6,976 0 View

How to develop a Mathematical Model?

I want to develop a Mathematical Model in biology

10 August 2023 363 3 View

Please can someone help me with simulink demo for event triggered control?

I am working on my PhD research project that involves event triggering mechanism when ever the error is greater than certain threshold

10 August 2023 9,701 0 View

I want to simulate photobioreactor so i want to add volumetric mass transfer coefficent in my simulation so i am not good in cfd coding so what to do?

I am attach a formula of volumetric mass transfer coefficient and interfacial area if any one good in cfd coding pls help me out

07 August 2023 622 4 View

Is that possible to solve finned tube with tube wall?

I checked many sources and all horizontal tubes in pool for boiling analyzed without finned. is that possible to to analyze he flux on surface of finned tube as 2D? better to check attached...

04 August 2023 5,086 0 View

What are the limitations of using the resources like PlatEMO, MOEA Framework, ParadisEO, pymoo, etc. for multi-objective optimization purpose ?

PlatEMO (is available in MATLAB), MOEA Framework (is available in Java), ParadisEO (is available in C++), pymoo (is available in Python). Many more resources are also available.

02 August 2023 7,368 1 View

I am trying to work with students to understand the unit of analysis in documentary or secondary research and to explain it in relation to sample ?

In documentary review/secondary research, the student does a series of chapters which are all based on review of literature and documents. At least one of these chapters should be the 'field' and...

31 July 2023 4,804 0 View

You are given the following cost data?

You are given the following cost data: Total fixed costs are 100. Q= 0,1,2,3,4,5,6 TVC= 0,5,10,20,40,65,95. Where Q=Quantity and TVC=Total Variable Cost Required a) If the price of output is...

31 July 2023 3,988 1 View

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