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I-TRIZ Foundations |
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Levels of Invention |
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Inventive Problem |
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Psychological Inertia |
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Contradictions |
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Patterns of Invention |
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Analogical Thinking |
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Directions |
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Patterns of Evolution |
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Ideality |
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Ideal System |
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Ideal Vision |
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Functional Modeling |
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Local Ideality |
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Resources |
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Derived Resources |
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Insufficient Resources |
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Problem Solving |
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Brainstorming |
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Ideation Process |
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Insufficient Resources
It is often the case in problem-solving situations that a resource is not exist or present in an amount
insufficient for inventive purposes. There is System of Operators can be applied in such
cases.
There is another consideration regarding resources that warrants our attention: examining the
system at increasing levels of detail to reveal the resources necessary to solve the problem.
The notion of "drilling deeper" into a system is especially important when dealing with
long-standing problems that have been the focus of repeated problem-solving efforts. (In such
cases it is almost certain that the resources capable of yielding an inventive solution are not
readily apparent. Revealing these long-hidden resources can therefore make the difference
between success and failure.)
Example: Accumulate a resource until the required amount is obtained.
To accumulate a resource, try to make use of special devices (springs, flywheels,
capacitors, inductors, lasers, etc.) or special substances (explosives, thermites, elastic
substances, etc.) capable of accumulating and then releasing energy.
Example: In cold regions, gas pipelines are supported by piles driven into the permafrost.
During the summer, however, the piles heat up and gradually sink into the permafrost.

To prevent this problem, hollow piles can be filled with kerosene. In winter, the tops of the
piles will be colder than the bottoms, and convection in the kerosene will remove heat energy from
the permafrost. In summer, there will be no convection currents in the kerosene, and the flow of
heat down to the permafrost will be minimal.
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