Simulation model creation method and system, and storage medium

A simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, comprising the step of:

• when the plurality of function simulation models undergo one-to-many integration,
• substituting input and output variables of many function simulation models into input and output variables of one function simulation model;
• and
• executing an integration process by arranging the plurality of function simulation models on the basis of the substituted input and output variables of many function simulation models, and the input and output variables of the one function simulation model.

A simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, comprising the step of:

• preparing linear functional elements which indicate a linear relationship between the potential and flow variables, and a coefficient element for connecting the linear functional elements;
• building a predetermined linear element in place of a nonlinear element in a functional element, when the nonlinear element is built in the functional element;
• creating a new functional element corresponding to a component by integrating at least one functional element by the coefficient element, wherein said creating step builds the nonlinear element in place of the predetermined linear element in the new functional element after creating the new functional element by integrating linear functional elements, when the nonlinear element is included in the new functional element;
• and
• repeating integration of new functional elements corresponding to the components until an overall function to be simulated is created.

A simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, comprising the step of:

• preparing linear functional elements each of which indicates a linear relationship between the potential and flow variables, a coefficient element for connecting the linear functional element, and equivalent functional elements obtained by converting input and output directions and signs of potential and flow variables of the functional elements;
• building a predetermined linear element in place of a nonlinear element in a functional element, when the nonlinear element is built in the functional element;
• creating a new functional element corresponding to a component by integrating at least one functional element by the coefficient element, wherein said creating step builds the nonlinear element in place of the predetermined linear element in the new functional element after creating the new functional element by integrating linear functional elements, when the nonlinear element is included in the new functional element;
• and
• repeating integration of new functional elements corresponding to the components until an overall function to be simulated is created.

A simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, comprising the step of:

• inputting data of mathematical models expressing function simulation models of components, and data of a nonlinear element when the nonlinear element is included, which are provided by a component manufacturer;
• selecting function simulation models of desired components on the basis of the data of the mathematical models expressing the function simulation models of the components, and the data of the nonlinear element, and assembling the overall function simulation model using the selected function simulation models;
• and
• creating a mathematical model of a new function simulation model expressing the overall function by arranging and integrating the assembled overall function simulation model.

A method of displaying a simulation model for simulating an overall function using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, selectively including at least two steps of:

• a first displaying step of displaying a relation between the plurality of function simulation models and the overall function using component images which respectively express the plurality of function simulation models and a coupling image of the component images that expresses the overall function;
• a second displaying step of displaying the relation between the plurality of function simulation models and the overall function using function connection images which respectively express the plurality of function simulation models and a function connection image that expresses the overall function;
• and
• a third displaying step of displaying the relation between the plurality of function simulation models and the overall function using mathematical models which respectively express the plurality of function simulation models and a mathematical model that expresses the overall function.

A product development method using a simulation model for simulating an overall function using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, comprising the steps of:

• creating data of mathematical models of function simulation models corresponding to components which form a simulation model simulating the overall function, and data of a nonlinear element when the nonlinear element is included;
• making an order contract of a desired component with a component manufacturer by data of a mathematical model expressing a function simulation model of the component, and data of a nonlinear element when the nonlinear element is included;
• and
• testing a product which provides the overall function using the component which was manufactured and delivered by the component manufacturer in accordance with the function simulation model.

A simulation model creation system for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, when respective function simulation models include linear characteristic elements and at least one function simulation model includes a nonlinear characteristic element, comprising:

• means for separating the nonlinear characteristic element and the linear characteristic elements, and replacing the nonlinear characteristic element with a predetermined linear element;
• means for integrating the plurality of function simulation models as linear characteristic elements after the nonlinear characteristic element is replaced with the predetermined linear element;
• and
• means for linking the nonlinear characteristic element to the predetermined linear element in the integrated function simulation model.

A computer readable storage medium for providing a simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, including at least a program for creating the function simulation models, and a program for integrating the plurality of function simulation models,

• said integrating program, when respective function simulation models include linear characteristic elements and at least one function simulation model includes a nonlinear characteristic element, comprising the steps of:
• separating the nonlinear characteristic element and the linear characteristic elements, and replacing the nonlinear characteristic element with a predetermined linear element;
• integrating the plurality of function simulation models as linear characteristic elements after the nonlinear characteristic element is replaced with the predetermined linear element;
• and
• linking the nonlinear characteristic element to the predetermined linear element in the integrated function simulation model.

A computer readable storage medium for providing a simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, including at least a program for generating the function simulation models, and a program for integrating the plurality of function simulation models,

• said integrating program, when the plurality of function simulation models undergo one-to-many integration, comprising the steps of:
• substituting input and output variables of many function simulation models into input and output variables of one function simulation model;
• and
• executing an integration process by arranging the plurality of function simulation models on the basis of the substituted input and output variables of the many function simulation models, and the input and output variables of the one function simulation model.

A computer readable storage medium for providing a simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, including at least resource elements for creating the function simulation models, and a program for integrating the plurality of function simulation models, said resource elements including linear functional elements each indicating a linear relationship between the potential and flow variables, and a coefficient element for connecting the linear functional elements,

• said integrating program comprising the steps of:
• building a predetermined linear element in place of a nonlinear element in a functional element, when the nonlinear element is built in the functional element;
• creating a new functional element corresponding to a component by integrating at least one functional element by the coefficient element, wherein said creating step builds the nonlinear element in place of the predetermined linear element in the new functional element after creating the new functional element by integrating linear functional elements, when the nonlinear element is included in the new functional element;
• and
• repeating integration of new functional elements corresponding to the components until an overall function to be simulated is created.

A computer readable storage medium for providing a simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, including at least resource elements for creating the function simulation models, and a program for integrating the plurality of function simulation models, said resource elements including linear functional elements each indicating a linear relationship between the potential and flow variables, and a coefficient element for connecting the linear functional elements,

• said integrating program comprising the steps of:
• building a predetermined linear element in place of a nonlinear element in a functional element, when the nonlinear element is built in the functional element;
• creating a new functional element corresponding to a component by integrating at least one functional element by the coefficient element, wherein said creating step builds the nonlinear element in place of the predetermined linear element in the new functional element after creating the new functional element by integrating linear functional elements, when the nonlinear element is included in the new functional element;
• and
• repeating integration of new functional elements corresponding to the components until an overall function to be simulated is created.

A computer readable storage medium for providing a simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, including at least a program for creating the overall function from a plurality of function simulation models,

• said program comprising the steps of:
• inputting data of mathematical models expressing function simulation models of components, and data of a nonlinear element when the nonlinear element is included, which are provided by a component manufacture;
• selecting function simulation models of desired components on the basis of the data of the mathematical models expressing the function simulation models of the components, and the data of the nonlinear element, and assembling the selected function simulation models;
• and
• creating a mathematical model of a new function simulation model that expresses the overall function by arranging and integrating the assembled overall function.

A computer readable storage medium for providing a simulation model creation method for creating an overall function simulation model using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, including at least a program for displaying a relation between the plurality of function simulation models and the overall function,

• said program selectively comprising:
• a first displaying step of displaying a relation between the plurality of function simulation models and the overall function using component images which respectively express the plurality of function simulation models and a coupling image of the component images that expresses the overall function;
• a second displaying step of displaying the relation between the plurality of function simulation models and the overall function using function connection images which respectively express the plurality of function simulation models and a function connection image that expresses the overall function;
• and
• a third displaying step of displaying the relation between the plurality of function simulation models and the overall function using mathematical models which respectively express the plurality of function simulation models and a mathematical model that expresses the overall function.

A simulation model creation system for creating an overall function using a plurality of function simulation models which are independently provided for predetermined functions and are coupled via potential and flow variables, comprising:

• at least a CPU and a storage unit for storing processing modules,
• said CPU, when respective function simulation models include linear characteristic elements and at least one function simulation model includes a nonlinear characteristic element, executing the stored processing modules including:
• a processing module for separating the nonlinear characteristic element and the linear characteristic elements, and replacing the nonlinear characteristic element with a predetermined linear element;
• a processing module for integrating the plurality of function simulation models as linear characteristic elements after the nonlinear characteristic element is replaced with the predetermined linear element;
• and
• a processing module for linking the nonlinear characteristic element to the predetermined linear element in the integrated function simulation model.