请问如何解决abaqus错误：可用内存不足？ 20

请问如何解决abaqus错误：可用内存不足？ The Abaqus Input File Processor has exited because there is insufficient memory available. A limit of 90 percent of physical memory was specified using the memory parameter. The physical memory available on the machine in use is 4005.00 megabytes. The user may need to run this analysis on a machine with more physical memory.