Search found 11 matches

by Matteo.Strada
Wed Jun 10, 2020 7:34 am
Forum: Airfoils
Topic: AirfoilPrep - Du-Selig Modified TSR
Replies: 0
Views: 157

AirfoilPrep - Du-Selig Modified TSR

Dear all, I have a question on the formula used in AirfoilPrep Excel Macro for the Modified TSR. I have attached one of the latest version published on the forum: AirfoilPrep_v2p0_NACA64_A17.xls In the macro the Modified TSR is calculated as follows: Lambda = RPM * pi / 30 * R / (V ^ 2 + (RPM * pi /...
by Matteo.Strada
Sun Jan 15, 2017 6:29 am
Forum: Computer-Aided Engineering Software Tools
Topic: HydroDyn StandAlone - WAMITmod=2
Replies: 0
Views: 5056

HydroDyn StandAlone - WAMITmod=2

Dear All, I am trying to use the HydroDyn StandAlone v2.05 giving the WAMITInputFile but it suddenly crashes at the very beginning of the simulation. I think that it does not begin at all since the window closes immediately. Could the problem be the fact that the program attempts to open an OUTPUT f...
by Matteo.Strada
Tue Jan 10, 2017 12:48 pm
Forum: Computer-Aided Engineering Software Tools
Topic: Instructions for Compiling FAST
Replies: 246
Views: 128041

Re: Instructions for Compiling FAST

Dear all, I have the same problem as Etana (see previous post). I'll be very pleased if someone could help us. Thank you in advance. ----- EDIT: Question Solved ----- The problem is that Intel Parallel Studio XE2017 no longer accepts the attribute ALIAS, so it is necessary to modify OrcaFlexInterfac...
by Matteo.Strada
Fri Oct 21, 2016 1:57 pm
Forum: Computer-Aided Engineering Software Tools
Topic: Interface of the GH Bladed DLLs
Replies: 18
Views: 7487

Re: Interface of the GH Bladed DLLs

Dear Bonnie, I am in the same situation of Borja Fernandez. I'll be very pleased if you could send me the Bladed User Manual that you suggest to refer to in the file BladedInterface.F90: !> This routine fills the avrSWAP array with its inputs, as described in Appendices A and B of the Bladed User Ma...
by Matteo.Strada
Wed Sep 28, 2016 11:46 am
Forum: Rotor Aerodynamics
Topic: RtAeroPwr and RtAeroCp - AeroDyn15
Replies: 2
Views: 3940

Re: RtAeroPwr and RtAeroCp - AeroDyn15

Dear Jason,

Thank you for your reply.
I was missing how the RtVAvgxh is calculated.

It was apparently only a case that computing Cp with radius equal to 61.5 makes the values of Cp matching.

Thanks a lot.

Best regards,
by Matteo.Strada
Wed Sep 28, 2016 10:34 am
Forum: Rotor Aerodynamics
Topic: RtAeroPwr and RtAeroCp - AeroDyn15
Replies: 2
Views: 3940

RtAeroPwr and RtAeroCp - AeroDyn15

Dear all, I have a doubt about the outputs of AeroDyn15. How is RtAeroCp calculated? I ran a simulation in order to obtain the Cp-Lambda curve for the 5MW wind turbine. Having set RtAeroPwr as output of AeroDyn, I tried to obtain the values corresponding to the RtAeroCp through the classical formula...
by Matteo.Strada
Tue Sep 27, 2016 7:15 am
Forum: Computer-Aided Engineering Software Tools
Topic: Eigenanalysis FAST
Replies: 44
Views: 17986

Re: Eigenanalysis FAST

Dear Jacob,

I'm sorry but I can't help you in resolving this error.

Best regards
by Matteo.Strada
Tue Sep 27, 2016 6:28 am
Forum: Computer-Aided Engineering Software Tools
Topic: Eigenanalysis FAST
Replies: 44
Views: 17986

Re: Eigenanalysis FAST

Dear Jacob,

You need that function and other ones to run GetMats_f8.m.

You will find them in the folders located in Utilities\MatlabToolbox.

Best regards
by Matteo.Strada
Mon Sep 19, 2016 10:55 am
Forum: Computer-Aided Engineering Software Tools
Topic: Eigenanalysis FAST
Replies: 44
Views: 17986

Re: Eigenanalysis FAST

Dear Jason,

Thank you for having clarified my results.

Best regards,
Matteo Strada
by Matteo.Strada
Mon Sep 19, 2016 10:20 am
Forum: Computer-Aided Engineering Software Tools
Topic: Eigenanalysis FAST
Replies: 44
Views: 17986

Re: Eigenanalysis FAST

Dear Jason, Thank you for your reply. What I am trying to achieve is the Campbell diagram with the "static" frequencies. In other words, I need to know how the fundamental frequencies are increased by the centrifugal stiffening through the different RotorSpeeds. Of course I am expecting th...
by Matteo.Strada
Mon Sep 19, 2016 5:36 am
Forum: Computer-Aided Engineering Software Tools
Topic: Eigenanalysis FAST
Replies: 44
Views: 17986

Re: Eigenanalysis FAST

Dear Jason, Firstly, thank you for activating my account. I'm new in FAST and I downloaded the last version (8.16) just last week. As first analysis I wanted to obtain the Campbell Diagram of the 5MW Wind Turbine in order to compare my results with the ones obtained by one of my colleagues with FAST...

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