Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Numerical study on transient heat transfer under soil with plastic mulch
  in agriculture applications using a nonlinear finite element model   In this paper is developed a simple mathematical model of transient heat
transfer under soil with plastic mulch in order to determine with numerical
studies the influence of different plastic mulches on the soil temperature and
the evolutions of temperatures at different depths with time. The governing
differential equations are solved by a Galerkin Finite Element Model, taking
into account the nonlinearities due to radiative heat exchange between the soil
surface, the plastic mulch and the atmosphere. The model was validated
experimentally giving good approximation of the model to the measured data.
Simulations were run with the validated model in order to determine the optimal
combination of mulch optical properties to maximize the soil temperature with a
Taguchi's analysis, proving that the material most used nowadays in Colombia is
not the optimal and giving quantitative results of the properties the optimal
mulch must possess.

10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
32
The categories of this paper are: atom-ph
7
The categories of this paper are: hep-th
5
The categories of this paper are: gr-qc
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
11
The categories of this paper are: hep-lat