ANSYS Distributed Compute Services - OptiSLang

ANSYS Distributed Compute Services

Content1.2.3.4.Introduction & g processesSet up the EvaluatorsConnect the Workbench Project to the DCSWatch the DPS at workSpaceclaim and LinuxDebugging of solution CADFEM 2020ANSYS Distribute Compute Services3

Why we need Distributed Compute Services ?After we manage to build up the a FE-model with parameters we have solve a lot of designpoints.How can we solve it in a short time and use all type of resource?We have computers with different OS (Window/Linux)Hardware (Number of CPUs/RAM)Software (CAD)Type (Workstations/Cluster/AWS)We do not have administration right’s!How can we get an overview about the status of the design points (pending/running/failed)?How to keep the size of data small?How to keep data traffic small? CADFEM 2020ANSYS Distribute Compute Services4

Why we need Distributed Compute Services ?Old School solution:We are the Job distributor! CADFEM 2020ANSYS Distribute Compute Services5

Why we need Distributed Compute Services ?We are Job distributor!WindowsCADSCDM6 CPU265 GB RAMWindowsCADSCDM16 CPU196 GB RAMWindowsNo CADSCDM4 CPU16 GB RAMWindowsCADSCDM6 CPU265 GB RAMbut not Version XXLinuxNo CADNo SCDM20 CPU265 GB RAMLinuxNo CADNo SCDM20 CPU265 GB RAMYeah!!I using Remote Desktop solution.I don’t have to run any more ! CADFEM 2020ANSYS Distribute Compute Services6

Why we need Distributed Compute Services ?Using RSM:ClusterA lot of Data Traffic!Some times we get big Datafiles back,but we only need the output parameters!You never walk alone!You never walk alone! CADFEM 2020You never walk alone!ANSYS Distribute Compute Services7

Why we need Distributed Compute Services ?We have to make a Update on the computers andrestart it!We need a faster Network!We need more diskspace!The next meeting is this week andnot next Week!We have to speed up theSimulations!For the two next week we needmore computers!Why my Design Point 86 is not running ?I don’t have administration rights! CADFEM 2020ANSYS Distribute Compute Services8

Highlights Data integrity Robust (no single point of failure) large number of Design Points (up to 10000,also less)DistributedSupports a wide range of infrastructures desktop machines multiple desktop machines Cluster with queueing system Private/public cloud Windows/Linux mixture with heterogenoussoftware installation pause update (release license for a while) CADFEM 2020 extendable Connects to Design Point creating tools like (DX,optislang, ) Python-Customizing (ANSYS 2020 R1) small network requirements (only outputparameters, no rst file transferred) Configuration Web-based (Firefox/Chrome)no administrative privileges requiredFor the two next week we needmore computers!OK. We can rent AWS or OTC machines.The next meeting is this week and not next Week!We have to speed up the Simulations!OK. We can rent AWS or OTC machines.ANSYS Distribute Compute Services9

What is DCS/DPS/DCE? DCS (Distribute Compute Services) is anew family of services for evaluation andmanagement of simulations. DPS (Design Point Service) is a subsystem tohandle and solve hundreds to thousands ofDesign Points. DCE (Distribute Compute Evaluator) is theexecuting component. CADFEM 2020ANSYS Distribute Compute Services10

Hr. Nicolas Kieffer – Schaeffler Automotive Buehl GmbH & Co. KG, Buehl CADFEM 2020ANSYS Distribute Compute Services11

FlowEvaluator on local workstationTransfersproject andinputparametersPicks an evaluator that suitsconcerning: cores tasks Capability (e.g. Spaceclaim, CAD)Transfersproject andinputparametersEvaluators on remote workstationsEvaluator connecting to aWindows/Linux ClusterEvaluator in CloudI’m here andI ersImport inputparametersExport outputparameterscan be all on one machine CADFEM 2020ANSYS Distribute Compute ServicesYes!!This will reduce the utilizationof our Network!Great!This will reduce the sizeof datafiles !12

Homework Collect some information Which and how many licenses areavailable? Which machines are available? How many cores per machine? What is the size of the model? Average solution time? Operating systems? Is solving quite robust? CADFEM 2020ANSYS Distribute Compute Services13

ANSYS Distributed Compute ServicesStarting processes

Starting processes1. Start the DPS2. Start the DPE"C:\Program Files\ANSYS Inc\v201\dcs\dclauncher.exe" stop all"C:\Program Files\ANSYS Inc\v201\dcs\dclauncher.exe" start server -W"C:\Program Files\ANSYS Inc\v201\dcs\dclauncher.exe" start evaluator21 CADFEM 2020

ANSYS Distributed Compute ServicesSetup

Setup After the services are running you cansetup the Design Point Services by a webbrowser (Chrome/Firefox) https://127.0.0.1:444/dcs/ CADFEM 2020ANSYS Distribute Compute Services17

SetupEvaluator at local workstationUrl of the DCS Server.Password: dcadmin CADFEM 2020ANSYS Distribute Compute Services18

Cool! I don’t need to be Admin.SetupEvaluator at remote workstationJust start the DCE on a other Computer and connect it to the DCSIf the evaluator is connected to the DCS I candefine the Evaluator from my local Computer.Url of the DCS Server.Password: dcadmin CADFEM 2020ANSYS Distribute Compute Services19

SetupAvailable Evaluators for the DPS Manage the Evaluators from your Computer (number of CPUs, number of Tasks, ) Which Evaluator should be used for a Project or witch should not be used at all.Ok. Now we can deactivate the Evaluator and You can do it at any time !!make the update and restart the computer ! CADFEM 2020ANSYS Distribute Compute Services20

ANSYS Distributed Compute ServicesConnect the Workbench Project tothe DCS

Connect the Workbench Project to the DCSParameter Set Change to Submit to DPS Enter the URL of the DCS Enter a Name of the Project. Set the execution Time Limit Set up how many CPUs should be use byone Job.DOE Define how many Design Points should besend to the DCS CADFEM 2020ANSYS Distribute Compute Services22

Connect the Workbench Project to the DCS After press the update project Icon theproject will be visible in the DPS CADFEM 2020ANSYS Distribute Compute Services23

ANSYS Distributed Compute ServicesWatch the DPS at work

Watch the DPS at workTake a look to the Overview CADFEM 2020

Watch the DPS at work CADFEM 2020

Watch the DPS at workChange the Status of a DP In this case the maximum execution Time was toshort - timeout Change the maximum execution Time and savethe settings CADFEM 2020 Select the DPs with the status timeout andchange the Status to pendingANSYS Distribute Compute Services27

Watch the DPS at workCompare DPs CADFEM 2020ANSYS Distribute Compute Services28

Watch the DPS at workStart / Stop Project You can pause the Project and start itagain at any time CADFEM 2020ANSYS Distribute Compute Services29

ANSYS Distributed Compute ServicesSpaceclaim and Linux

Design Points with Spaceclaim and LinuxThe Update of the DP will be split in two steps. Workbench Geometry Workbench Solution CADFEM 2020ANSYS Distribute Compute Services31

Design Points with Spaceclaim and LinuxGeometry update CADFEM 2020ANSYS Distribute Compute ServicesSolving32

ANSYS Distributed Compute ServicesDebugging of solution

Debugging of solutionFor each DP there are is a LOG file of theWorkbench Project available.In the File you can get information why theDP failed. (Geometry update / Meshing orsolving)The Model component in Static Structural requires user inputbefore it can be updated.For instructions on how to address the cell in its current state,click the blue triangle in the lower right corner of the cell in theProject Schematic. CADFEM 2020Oh, that is the reason why the Design Point 86 is not running

Debugging of solutionFor each DP there are is a LOG file of theWorkbench Project available.In the File you can get information why theDP failed. (Geometry update / Meshing orsolving)Element 4029 located in Body "Solid" (and maybe other elements)has become highly distorted .The unconverged solution (identified as Substep 999999) is outputfor analysis debug purposes. Results at this time should not beused for any other purpose.Oh, that is the reason why the Design Point 86 is not running ?I just change the status of the DP and try it again. CADFEM 2020

Debugging of solutionNow I want to see the results of the Failed Design Point!!D:\DCE WorkdirChange the Task Directory Cleanup and change the status of the DP. CADFEM 2020ANSYS Distribute Compute Services36

Now I can concentrate on myregular job.Being an engineer. CADFEM 2020ANSYS Distribute Compute Services37

More Information CADFEM Support support@cadfem.de 08092 7005 55 (8:00 a.m. – 6 p.m) CADFEM Webinar Please contact Mr. Kellermeyer mkellermeyer@cadfem.de and you get a one Week access tothe CADFEM eLearning platform CADFEM 2020ANSYS Distribute Compute Services38

Capability (e.g. Spaceclaim, CAD) Evaluator in Cloud Transfers project and input parameters Transfers project and input parameters Transfers output parameters Transfers output parameters I’m here and I can Import input parameters Export output parameters can be all on one machine Yes!