Ellipsoidal Uncertainty Set for right-hand side vector?

I would be very grateful if someone guide me in constructing an ellipsoidal uncertainty set for an uncertain right-hand side vector of demands, in the Robust Optimization(RO) paradigm. Assuming...

01 February 2019 7,719 1 View

About Ben-Tal Robust Optimization?

I have a very basic, but important question regarding the Ben-Tal, Robust Counterpart (RC), methodology. What is the mathematical justification, for solving a dual version of the semi-infinite...

01 February 2019 4,317 3 View

Solution Quality of MINLP problems?

What are some methods or approaches by which one can assess the quality of a MINLP problem? If we let the solver solve the relaxed problem, do we get a useful lower bound ? because, even if we...

07 August 2018 7,531 5 View

Why Convex Optimization equality constraint must be affine in decision variables ?

Would you please explain to me what is the technical definition or explanation behind the point that, in a convex optimization program or space, the equality constraint must be affine.

05 June 2018 4,681 2 View

Dual problem of an MILP ?

I do not want to dig deep into theory of duality regarding the mixed integer programs, because I know they are far from being convex. but, I did try to formulate dual of a very simple knapsack...

05 June 2018 6,488 9 View

Should a Water Resources Engineering student pursue and research in Computational Fluid Mechanics and relative numerical methods ?

03 April 2017 8,977 7 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View