Abstract
The engineering of grown systems poses fundamentally different system integration challenges than ordinary engineering of static designs. On the one hand, a grown system must be capable of surviving not only in its final form, but at every intermediate stage, despite the fact that its subsystems may grow unevenly or be subject to different scaling laws. On the other hand, the ability to grow offers much greater potential for adaptation, either to changes in the environment or to internal stresses developed as the system grows. We may observe that the ability of subsystems to tolerate stress can be used to transform incremental adaptation into the dynamic discovery of viable growth trajectories for the system as a whole. Using this observation, we consider an engineering approach based on functional blueprints, under which a system is specified in terms of desired performance and means of incrementally correcting deficiencies. This approach is demonstrated by applying it to the integration of simplified models of tissue growth and vascularization, then further by showing how the composed system may itself be modulated for use as a component in a more complex design.
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- 1.
Note that not all viable configurations need have \(v_X(c_X) > 0\): the point is for the viability function to serve as a conservative guide for system growth, not to capture the precise boundary at which the system fails.
- 2.
In this simplified system, venous return is not modeled, but could be implemented using a complementary mechanism.
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Beal, J. (2012). Functional Blueprints: An Approach to Modularity in Grown Systems. In: Doursat, R., Sayama, H., Michel, O. (eds) Morphogenetic Engineering. Understanding Complex Systems. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33902-8_12
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DOI: https://doi.org/10.1007/978-3-642-33902-8_12
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