Design & Technology (9-1) - 0979 CIE

Modelling

Bayani Gaba-gaba

It is far cheaper to discover a problem in a piece of card than in a finished product. Modelling is the designer's way of making ideas real enough to test before committing to expensive materials and time. A model can be a quick block of foam that checks whether a handle feels right in the hand, or a fully working prototype that proves the whole product functions. Either way, the point is the same: build something you can look at, hold and test, then let what you learn improve the design.

This note covers the 0445 modelling objectives: the reasons designers make models in the first place; the different types of model, from rough exploratory models to full prototypes; and how to use a model to draw real conclusions that change the design. Concrete examples show how a model earns its keep by revealing things a drawing never could.

Manufura

  1. understand the reasons for modelling
  2. understand different types of models including exploratory and prototype
  3. produce models and use them to draw conclusions that influence design development.

Darasin Sauti

Saurari wannan darasi a cikin manhaja

Taswirar tunani

An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.

Bude taswirar tunani a cikin manhaja

Katunan tunawa

Gwaji mai sauri kan abin da ake jarraba a wannan batu.

Yi atisayen wadannan katuna a cikin manhaja

Takardar Darasi

A drawing, however careful, is still flat and silent. It cannot tell you whether a product feels comfortable to hold, whether two parts actually clear each other when they move, whether the proportions look right in three dimensions, or whether a mechanism really works. A model - a physical, often simplified, version of a design - answers exactly these questions. Designers model for several connected reasons:

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Nazarin Darasi

Barka da kammala darasi akan Modelling. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. What is the main reason a designer makes a model early in the design process? A. To replace the final product B. To test ideas cheaply and reveal problems before committing to real materials C. To avoid having to make any drawings D. To use up spare workshop materials Answer: B
  2. Which type of model is rough, quick and made to explore an idea such as form or proportion? A. Prototype B. Exploratory model C. Finished product D. Working drawing Answer: B
  3. Which material is most suitable for a quick block model used to test the feel of a handheld product? A. Hardened steel B. Toughened glass C. Modelling foam D. Cast iron Answer: C
  4. A prototype differs from an exploratory model mainly because it: A. Is always smaller than the real product B. Is a more complete and accurate model, often working and in real materials C. Is never tested D. Cannot be made using CAD or 3D printing Answer: B
  5. What gives a model its real value in a design portfolio? A. How neat and attractive it looks B. The honest conclusions drawn from testing it and the design changes that follow C. The cost of the materials used D. How long it took to make Answer: B

Yi aikin wadannan tambayoyi a cikin manhaja

Yi aikin wadannan tambayoyi a cikin manhaja

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Modelling? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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