A rupture resistant system is provided and comprises a tank comprising a top member, a combined body member, the combined body member forming a side and bottom of the tank, the combined body member comprising at least one curved non-linear surface to define a partially curved interior in at least a portion of the tank; and a component situated within the tank and susceptible to creating increasing pressure within the tank when under a fault condition. At least one of the top, sidewall, and bottom members is connected to another of the top, sidewall, and bottom members in a manner so as to cause an increase in inner volume of the tank under increased pressure conditions.