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Building Information Modeling: BIM

Building Information Modelling (BIM) is a key & powerful 3D application for the Construction Industry which enables and encourages working collaboratively, accessing and sharing information efficiently across the supply chain.

 

The UK is known to be advanced in the delivery of BIM. This is due to the BIM mandate, which is future government legislation.

 

Levels of BIM;

 

Level 1 BIM:

Involves 3D CAD to produce concept designs of structures. 2D CAD data is also produced for documents and product data. The sharing of this data is from a central location or a (CDE) common data environment.

 

Level 2 BIM:

Requires all project data to be electronic, this makes for the design & construction phases of the project to be delivered in an efficient and collaborative process. If designers are using Autodesk Revit  or Graphisoft ArchiCAD their are NBS Toolkit Plugins available. This enables all collaborators to access /share project data from a central location.

 

Level 3 BIM:

BIM Level 3 hopes to be reached by 2025. We hope to see real time 3D building models used from the cloud. This will be a integrated single model that can be shared. This allows supply chains to update /work  from the same model.

 

Real time user case feedback below:

 

 

“The experience from Open Boundaries virtual GPU machine using AutoDesk Revit 2017 & 2018 (Which is now GPU certified with Revit 2018)  is certainly acceptable for our team although one or two designers were getting slight latency on BIM editing.

 

Test conditions:
  • The test involved my laptop and the training laptop both plugged into a switch, connected to our network via cable.
  • My laptop was running a local plot 17 & 18 very large complex revit model in Revit 17.
  • The training laptop, with the cloud viewer, was running the same model, but upgraded to Revit 18.
  • There are no performance gains between Revit 17 & 18 that I am aware of.
  • Both central files were located on the “Others> *******  Phase 3” server folder, to replicate real-World locations
  • Test performed from 4.45 to 5.15 on Friday.

 

Exec Summary:
  • My laptop is a quicker machine than the cloud for editing.
  • I would consider using cloud machine for users who only have to navigate models; and not issue them, perhaps?

 

This could be job-runners with simple machines who could call up a powerful virtual machine when needed.

 

  • Lag on the cloud machine caused slow-down of performance and frustration when editing;
  • This test was performed at the end of the day Friday, when the internet usage may be higher than usual? IT to confirm.
  • My existing machine performed quicker than the cloud machine due to zero input lag.
  • The cloud machine, once the input command arrived to the cloud, moved at the same pace as my laptop.

 

I performed 2 simple tests:

 

Navigating in a 3D environment
The cloud machine had a noticeable time-lag between mouse commands and the screen moving.

 

In some cases a mouse command to pan would be executed, but the Revit model would not move for 0.5 – 1 seconds. Sounds small but in the aggregate this became frustrating for a power-user but may not be an issue for model navigators;

 

Edit Revit family within 3D & 2D
The cloud machine’s input lag made the accuracy of the edit slower and more frustrating than on my own machine.
Once the lag was understood, the accuracy of editing returned, however I had to pause between each input command to ensure the cloud had captured my input correctly. This became frustrating.

 

General drawing navigation in the navigator panel
Despite the input lag there was generally little difference in performance between the 2 machines.

 

 

Recommendations:
  1. Check the connection speed of the switch, could have caused test inaccuracies.
  2. If the server and the local machine were in the cloud, the cloud machine may out-perform my local machine;

“Isn’t time you put your team on the same Cloud, accessing Open Boundaries Subscription Service for your next BIM related project.”

 

 

 

 

 

 

Blog Managed Cloud GPU Business Continuity Workstation Assurance Subscriptions: 24/7/365 13 September, 2019

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