Infoworks ICM :Out of memory

[q23201178]

I want to be able to output simulation results for some areas, so I imported the network result polygons (2D) through the data import center, and when meshing, the memory usage of mesher.exe skyrocketed in the triangulating state, and the state changes to Failure-Error:Out of memory after some time. Even if I import only one result polygon, I still can't complete the meshing.What is the cause of this? Is there any solution? 

[matt_anderson_pe]

How large of an area are you meshing?  Your best bet is to grab info and open a support case.

[q23201178]

它大约有 26 平方公里，不是很大，在没有添加合成多边形进行绘图时，网格划分大约需要 5 分钟，但即使添加一个小的合成多边形并再次网格划分也无法完成网格划分。我等了最长的四个小时，但仍然没有结果。

[q23201178]

It's about 26 square kilometers, not very large, and the meshing takes about 5 minutes when no resultant polygons are added for plotting, but the meshing can't be finished by adding even one small resultant polygon and meshing again. The longest I waited was four hours and still no results.

[matt_anderson_pe]

I assume you translated... 😉

Without resultant polygons - how many mesh elements does your mesh generate?   That's about 10 sq. miles. 
Without knowing your parameters (triangle size and mesh elements), I have a feeling you might simply bump up to the maximum number of mesh triangles allowed.

[q23201178]

I apologize for my copy and paste error.😣 I changed some parameters, but I think the number of triangles in the original file was between 70,000 and 80,000, and no more than 90,000. I set the maximum triangle area to 1000 and the minimum cell area to 250 for the 2D zone, and for the Mesh Zone, the maximum triangle area is 100 and the minimum triangle area is 25. the Mesh Zone is roughly 8% of the whole 2D zone. I'm working step by step from the simplest steps to troubleshoot which operation is causing the unsuccessful meshing, maybe it's the imported buildings. I hope there are no mistakes in this translation!

[lynn_zhang]

@q23201178 您好！我们有中文社区论坛，您看需要发到中文论坛来吗？https://forums.autodesk.com/t5/civil-3d-infraworks-deng-ji-chu-she-shi-chan-pin-tao-lun-qu/bd-p/927 这样比较方便交流。

[matt_anderson_pe]

Clip meshing?  

I suggest checking "Close Gaps and Overlaps" based on your geometry or using the other polygon tools in ICM to verify the geometry is valid.