помощь с моделью Comsol Multiphysics

Tема : моделирования МВК (магнито-волоконный композит) есть готовая модель (в версии Comsol 6.2) проблема с моделированием выскакивает почти постоянная ошибка 1 цель моделирования зависимость магнитострикции от поля для разных диаметров

Error in sweep.

 - Parameters: "d","1E-4","H","1500"

The following feature has encountered a problem:

- Feature: Stationary Solver 1 (sol54/s1)

Failed to evaluate initial residual for segregated step 2.

Division by zero.

- Function: /

Failed to evaluate variable.

- Variable: comp1.solid.D13

- Defined as: (comp1.solid.E*comp1.solid.nu)/((1+comp1.solid.nu)*(1-(comp1.solid.nu*2)))

Failed to evaluate variable.

- Variable: comp1.solid.Seli33

- Defined as: ((comp1.solid.eel11*comp1.solid.D13)+(comp1.solid.eel22*comp1.solid.D23))+(comp1.solid.eel33*comp1.solid.D33)

Failed to evaluate variable.

- Variable: comp1.solid.Peli33

- Defined as: comp1.solid.Fiil33*(comp1.solid.Ji*comp1.solid.Seli33)

Failed to evaluate variable.

- Variable: comp1.solid.Sel33

- Defined as: comp1.solid.Fiil33*comp1.solid.Peli33

Failed to evaluate variable.

- Variable: comp1.solid.Sl33

- Defined as: comp1.solid.Sel33