Functional modelling techniques are recently used to include the intensions of system designers into models of a system. Functions are higher level than behaviour and they are sometimes given different meanings depending on a system situation. Therefore, it is important to be able to derive behaviour from a functional model. This paper describes techniques to represent goals-functions-structure and to derive system behaviour from a functional model through a structure model, where the Multilevel Flow Modelling (MFM) and the Hybrid Phenomena Theory (HPT) are effectively combined. The MFM is a methodology to model an engineering system from the standpoint of means and goals. It has been applied to diagnostic, planning, and man-machine interface design problems. The HPT is a method to model the relations between structure and behaviour. One useful application of the HPT is to derive mathematical equations describing system's behaviour from structural information. The MFM is extended to be able to represent systematically abstracted information of structure of a system. The HPT is applied to derive the behaviour of a system from its structure model. A transformation mechanism from a MFM model to its corresponding HPT representation is developed to bridge the MFM and HPT. A simple example to model a central heating system and to derive its behaviour demonstrates the proposed techniques.

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 The most characteristic of Danish Housing Policy is the idea that the housing is the basis of the social life. The rent of private rental housing has also been restricted to affordable rates. In addition, the residental organizations are participating in the management of the private rental housing. There are no public housings in Denmark and there are social housings as the role of public housings. Social housings in Denmark are the housings that residents themselves establish a housing organization with the financial support from the state and multiple authority, construct and manage a rental housing. Social housing are the housings that social housing organizations have as non-profit rental housings in which the members become the tenants. Social housings are built and operated by the housing organizations. There are two types of housing organizations, one of them is a residential social housing organization and the other is a non-profit management company.
 The minimum unit of social housing organization is the department. Management of the department is carried out by the Board of Directors that have selected by the general meeting of tenants. The budget and management of the department must be approved by the general meetings or by the vote of tenants. The department has the autonomy, also are financially independent of the other department and the social housing organization which it belong to, and has no risk to be affected by the financial collapse of the other department of that organization.
 A non-profit management company is a social housing organization that must has the resident representatives committee and that committee must be the highest authority of that company. Therefore, the social housing organization and non-profit management company are the integral social housing organization. The social housing in Denmark, in the construction and maintenance, management, funds, has a sustainable mechanism. In addition, the voice of the tenants is reflected to the management of the rental housing. The social housing model of Denmark will be an important suggestion to our housings in Japan.

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This study intended to clear the planning methods of 'Housing for the Elderly' from 1987 in Denmark. On analysis of dwelling plans of 'Housing for the Elderly' that were located in Greater Copenhagen area, following three points were cleared. 1) The design criteria of 'Housing for the Elderly' was capable of adapting to conditions of the Elderly, so various kind of dwelling plan types were made. Gathered dwelling plans were divided into 11 types. 2) The area of each dwelling was distributed from 30m^2 to 65m^2. This range of area is necessary for the Elderly. 3) Kitchen space was placed near the entrance in most dwelling plans to keep the connection between inside and outside of the dwelling. This organization was effective to secure safety life of the Elderly.

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In order to investigate the effects of extremely low humidity on human health, comfort and performance, subjective experiments were carried out at Technical University of Denmark. Sixty subjects were exposed in climate chambers for 5 hours, performing simulated office work. Four humidity conditions in clean air at 22℃ and 4 conditions in polluted air, 3 of which at constant absolute humidity, were imposed. It was found that 5 hours ofexposure to 15%RH or below in clean air or high air temperature in polluted air is sufficient for the mucous layer of the tear film to become measurably worse. Subjective reports of dry discomfort increased as humidity levels were reduced, although the level of discomfort was never more than mild even at 5%RH. A negative effect of low humidity was found on the performance. The observed increase in blink rate at lower levels of relative humidity may have progressively reduced the rate of visual data acquisition and lead the decreased performance of subjects.

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This paper aimes to clear the residence conditions and life style of the aged in Å rhus from the viewpoit; of the relation between parents and children. Firstly to choose areas for examination we got and analyzed some statistics about population and housing, then we chose two areas as typical places of residence in Å rhus. In this two areas we made questionnaire survey in 1997, and we collected about 500 households samples and about 700 inhabitants samples. So we examined following indexes; (1) family style, (2) sex distinction, (3) age, (4) health condition, (5) location of parents, (6) location of children, (7) frequency of visit from children to parents, (8) frequency of visit from parents to children. And we analyzed mutual relations of these indexes.

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