Line Vertex Model

Usage

1. Tune paramters and click "1.Reset": Reset new parameters.

2. Click "2.Calculation": calculate shoot dynamics taking 10-30 sec

3. Click "3.Run": start drawing the results

Meaning of parameters

Gravi-sensing β: bending strength when shoot aligned horizontally, the effect becomes 0 when shoot aligned vertically.

Curvature-sensing γ: straightening strength when shoot bend.

Elasto-gravi length ε(g/B): Relative value of the force competition between bending and gravity.

Initial length L0: Shoot initial length.

Growth rate G: Shoot growth rate affecting both bending and straightening.

☆ Inspired by shell simulators in Shigeru Kondo lab. https://www.fbs-osaka-kondolabo.net/simulation-softs

Link courtesy of Dr. Shigeru Kondo

Reference

1.Bastien R., Douady S. and Moulia B., (2014) A unifying modeling of plant shoot gravitropism with an explicit account of the effects of growth. Front. Plant Sci., 5: 136.

2.Chelakkot R. and Mahadevan L., (2017) On the growth and form of shoots. Interface, 14: 20170001.

3.Agostinelli D., Lucantonio A., and Noselli A., and DeSimone A., (2020) Nutations in growing plant shoots: The role of elastic deformations due to gravity loading, J. Mech. Phys. Solids, 136: 103702

Gravi-sensing β

Curvature-sensing γ

Elasto-gravi length ε(g/B)

Initial length L0

Growth rate G