Shear deformation in BarElement - invalid results

[epsi1on]

if the bar type was set to include shear deformation, the reaction load seemed wrong

using BriefFiniteElementNet;
using BriefFiniteElementNet.Elements;
using BriefFiniteElementNet.Loads;
using BriefFiniteElementNet.Sections;

namespace Uniform_load_test
{
    internal class Test4debug
    {
        static void Main()
        {
            var a00 = new Node(0, 0, 0);
            var a10 = new Node(1000, 0, 0);            

            var elm1 = new BarElement(a00, a10);

            var sec = new UniformParametric1DSection(100, 100, 100, 100);
            sec.Ky = sec.Kz = 0.5;

            BriefFiniteElementNet.Materials.UniformIsotropicMaterial mat;
            {
                var e = 200000;
                var mu = 0.3;
                mat = new BriefFiniteElementNet.Materials.UniformIsotropicMaterial(e, mu);
            }

            var w0 = 1;
            var uload = new UniformLoad(LoadCase.DefaultLoadCase, Vector.NegativeK, w0, CoordinationSystem.Global);

            var model = new Model();

            var elms = new BarElement[] { elm1};
            foreach (var elm in elms)
            {
                elm.Section = sec;
                elm.Material = mat;
                elm.Loads.Add(uload);
                //elm.Behavior = BarElementBehaviours.FullFrame;
                elm.Behavior = BarElementBehaviours.FullFrameWithShearDeformation;
                model.Elements.Add(elm);
            }

            model.Nodes.Add(a00, a10);

            a00.Constraints = Constraints.Fixed;

            model.Solve();

            var s = a00.GetSupportReaction();
            Console.WriteLine(s);
        }
    }
}