Tank Volume Calculations

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Tank Volume Calculations

Post by [email protected] » Fri Oct 04, 2019 11:03 am

Hello thread,
we have been assigned a new project about cargo tank volume calculation in a vessel.
We needed to see other software calculations aside from the ones that we currently use and we have downloaded 3dReshaper free evaluation software to mix it up in our workflow in order to see if the whole proccess will be more precise .Accuracy in our measurements is important now and our deviations in cubic millimeters are between 0,15-0,2%
Is it possible to reduce this error to be even more closer to reality?

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GCFdesign
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Re: Tank Volume Calculations

Post by GCFdesign » Fri Oct 04, 2019 11:08 am

Try cloudcompare, free and accurate.
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Gary Fellows

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Re: Tank Volume Calculations

Post by JoshuaBigham » Fri Oct 04, 2019 1:36 pm

You could also try BuildIT Construction. I've worked with customers to ensure the found volume matches theoretical for a variety of shapes. Typically a smaller cross-section may take longer, but can also be more accurate for some structures. It also accepts a variety of data formats.

https://insights.faro.com/how-to-tutori ... -to-series

Let me know if I can help.

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Re: Tank Volume Calculations

Post by Felix_the_Cat » Fri Oct 04, 2019 2:15 pm

GCFdesign wrote:Try cloudcompare, free and accurate.
I use cloud compare daily for a number of tasks. It is fantastic.

Can you share a quick outline of the workflow you would use to do this?

I am investigating the creating of high accuracy tank strapping charts from scans.


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Re: Tank Volume Calculations

Post by SCCS RTC » Sat Oct 05, 2019 7:23 pm

I would use the @3DReshaper Tank Analysis module....

Complete workflow for Tank Analysis

youtu.be/8ylNDHr1-h4
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Re: Tank Volume Calculations

Post by GCFdesign » Sun Oct 06, 2019 10:26 am

The following is a mock-up, however, a 'tank' shape was imported into CloudCompare. In this instance, points were applied to that mass. You can indeed and would import your tank point cloud data.

Isolate your tank point cloud data, then divide in the 'X' or 'Y' axis equally.

Selecting both halves of the split tank point cloud data, then plugged in the following settings...bear in mind that this made up example was a radius of 2m x 5m high.

A volume returned upon 1,000,000 points applied to the tank, returns a volume of 62.106m3, however, the accurately calculated volume would be 62.83m3. The difference of the CloudCompare algorithm returns an error of circa 1.15%.
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Re: Tank Volume Calculations

Post by Jamesrye » Mon Oct 07, 2019 8:48 am

The production of accurate strapping tables from laser scan data is a service that we provide to a number of users on this forum. Our in house software takes into account deadwood and produces a strapping table with a volume for every millimeter. If you are interested in a quote for the processing, please send me a PM.

http://www.storagetanksurveys.com/

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