The code is for two phase demonstration as example 1 shown in the paper. Gao, Yi, and Yongming Liu. "Reliability-based topology optimization with stochastic heterogeneous microstructure properties." Materials & Design 205 (2021): 109713. Please cite the above paper if you use the code.
A unformatted paper draft can be found at
https://www.researchgate.net/publication/350763409_Reliability-based_Topology_Optimization_with_Stochastic_Heterogeneous_Microstructure_Properties
As the initial release of the academic version, detailed documentation in the code is ongoing. If oyu have questions, please email Prof. Yongming Liu at [email protected]